4920643640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{5081}}^1$

素因数の和:5205

約数の個数: 128

約数和(自身を含む): 12645642240

約数和(自身を除く): 7724998600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 71, 88, 110, 124, 142, 155, 220, 248, 284, 310, 341, 355, 440, 568, 620, 682, 710, 781, 1240, 1364, 1420, 1562, 1705, 2201, 2728, 2840, 3124, 3410, 3905, 4402, 5081, 6248, 6820, 7810, 8804, 10162, 11005, 13640, 15620, 17608, 20324, 22010, 24211, 25405, 31240, 40648, 44020, 48422, 50810, 55891, 88040, 96844, 101620, 111782, 121055, 157511, 193688, 203240, 223564, 242110, 279455, 315022, 360751, 447128, 484220, 558910, 630044, 721502, 787555, 968440, 1117820, 1260088, 1443004, 1575110, 1732621, 1803755, 2235640, 2886008, 3150220, 3465242, 3607510, 3968261, 6300440, 6930484, 7215020, 7936522, 8663105, 11183281, 13860968, 14430040, 15873044, 17326210, 19841305, 22366562, 31746088, 34652420, 39682610, 44733124, 55916405, 69304840, 79365220, 89466248, 111832810, 123016091, 158730440, 223665620, 246032182, 447331240, 492064364, 615080455, 984128728, 1230160910, 2460321820, 4920643640]

約数ペア:

[(1, 4920643640), (2, 2460321820), (4, 1230160910), (5, 984128728), (8, 615080455), (10, 492064364), (11, 447331240), (20, 246032182), (22, 223665620), (31, 158730440), (40, 123016091), (44, 111832810), (55, 89466248), (62, 79365220), (71, 69304840), (88, 55916405), (110, 44733124), (124, 39682610), (142, 34652420), (155, 31746088), (220, 22366562), (248, 19841305), (284, 17326210), (310, 15873044), (341, 14430040), (355, 13860968), (440, 11183281), (568, 8663105), (620, 7936522), (682, 7215020), (710, 6930484), (781, 6300440), (1240, 3968261), (1364, 3607510), (1420, 3465242), (1562, 3150220), (1705, 2886008), (2201, 2235640), (2728, 1803755), (2840, 1732621), (3124, 1575110), (3410, 1443004), (3905, 1260088), (4402, 1117820), (5081, 968440), (6248, 787555), (6820, 721502), (7810, 630044), (8804, 558910), (10162, 484220), (11005, 447128), (13640, 360751), (15620, 315022), (17608, 279455), (20324, 242110), (22010, 223564), (24211, 203240), (25405, 193688), (31240, 157511), (40648, 121055), (44020, 111782), (48422, 101620), (50810, 96844), (55891, 88040)]