80010040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 201862080

約数和(自身を除く): 121852040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 121, 122, 220, 242, 244, 271, 305, 440, 484, 488, 542, 605, 610, 671, 968, 1084, 1210, 1220, 1342, 1355, 2168, 2420, 2440, 2684, 2710, 2981, 3355, 4840, 5368, 5420, 5962, 6710, 7381, 10840, 11924, 13420, 14762, 14905, 16531, 23848, 26840, 29524, 29810, 32791, 33062, 36905, 59048, 59620, 65582, 66124, 73810, 82655, 119240, 131164, 132248, 147620, 163955, 165310, 181841, 262328, 295240, 327910, 330620, 363682, 655820, 661240, 727364, 909205, 1311640, 1454728, 1818410, 2000251, 3636820, 4000502, 7273640, 8001004, 10001255, 16002008, 20002510, 40005020, 80010040]

約数ペア:

[(1, 80010040), (2, 40005020), (4, 20002510), (5, 16002008), (8, 10001255), (10, 8001004), (11, 7273640), (20, 4000502), (22, 3636820), (40, 2000251), (44, 1818410), (55, 1454728), (61, 1311640), (88, 909205), (110, 727364), (121, 661240), (122, 655820), (220, 363682), (242, 330620), (244, 327910), (271, 295240), (305, 262328), (440, 181841), (484, 165310), (488, 163955), (542, 147620), (605, 132248), (610, 131164), (671, 119240), (968, 82655), (1084, 73810), (1210, 66124), (1220, 65582), (1342, 59620), (1355, 59048), (2168, 36905), (2420, 33062), (2440, 32791), (2684, 29810), (2710, 29524), (2981, 26840), (3355, 23848), (4840, 16531), (5368, 14905), (5420, 14762), (5962, 13420), (6710, 11924), (7381, 10840)]