828173680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{333941}}^1$

素因数の和:333985

約数の個数: 40

約数和(自身を含む): 1987622784

約数和(自身を除く): 1159449104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 333941, 667882, 1335764, 1669705, 2671528, 3339410, 5343056, 6678820, 10352171, 13357640, 20704342, 26715280, 41408684, 51760855, 82817368, 103521710, 165634736, 207043420, 414086840, 828173680]

約数ペア:

[(1, 828173680), (2, 414086840), (4, 207043420), (5, 165634736), (8, 103521710), (10, 82817368), (16, 51760855), (20, 41408684), (31, 26715280), (40, 20704342), (62, 13357640), (80, 10352171), (124, 6678820), (155, 5343056), (248, 3339410), (310, 2671528), (496, 1669705), (620, 1335764), (1240, 667882), (2480, 333941)]