51133880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 139898880

約数和(自身を除く): 88765000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 43, 56, 62, 70, 86, 124, 137, 140, 155, 172, 215, 217, 248, 274, 280, 301, 310, 344, 430, 434, 548, 602, 620, 685, 860, 868, 959, 1085, 1096, 1204, 1240, 1333, 1370, 1505, 1720, 1736, 1918, 2170, 2408, 2666, 2740, 3010, 3836, 4247, 4340, 4795, 5332, 5480, 5891, 6020, 6665, 7672, 8494, 8680, 9331, 9590, 10664, 11782, 12040, 13330, 16988, 18662, 19180, 21235, 23564, 26660, 29455, 29729, 33976, 37324, 38360, 41237, 42470, 46655, 47128, 53320, 58910, 59458, 74648, 82474, 84940, 93310, 117820, 118916, 148645, 164948, 169880, 182621, 186620, 206185, 235640, 237832, 297290, 329896, 365242, 373240, 412370, 594580, 730484, 824740, 913105, 1189160, 1278347, 1460968, 1649480, 1826210, 2556694, 3652420, 5113388, 6391735, 7304840, 10226776, 12783470, 25566940, 51133880]

約数ペア:

[(1, 51133880), (2, 25566940), (4, 12783470), (5, 10226776), (7, 7304840), (8, 6391735), (10, 5113388), (14, 3652420), (20, 2556694), (28, 1826210), (31, 1649480), (35, 1460968), (40, 1278347), (43, 1189160), (56, 913105), (62, 824740), (70, 730484), (86, 594580), (124, 412370), (137, 373240), (140, 365242), (155, 329896), (172, 297290), (215, 237832), (217, 235640), (248, 206185), (274, 186620), (280, 182621), (301, 169880), (310, 164948), (344, 148645), (430, 118916), (434, 117820), (548, 93310), (602, 84940), (620, 82474), (685, 74648), (860, 59458), (868, 58910), (959, 53320), (1085, 47128), (1096, 46655), (1204, 42470), (1240, 41237), (1333, 38360), (1370, 37324), (1505, 33976), (1720, 29729), (1736, 29455), (1918, 26660), (2170, 23564), (2408, 21235), (2666, 19180), (2740, 18662), (3010, 16988), (3836, 13330), (4247, 12040), (4340, 11782), (4795, 10664), (5332, 9590), (5480, 9331), (5891, 8680), (6020, 8494), (6665, 7672)]