7890080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4483}}^1$

素因数の和:4509

約数の個数: 48

約数和(自身を含む): 20339424

約数和(自身を除く): 12449344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 4483, 8966, 17932, 22415, 35864, 44830, 49313, 71728, 89660, 98626, 143456, 179320, 197252, 246565, 358640, 394504, 493130, 717280, 789008, 986260, 1578016, 1972520, 3945040, 7890080]

約数ペア:

[(1, 7890080), (2, 3945040), (4, 1972520), (5, 1578016), (8, 986260), (10, 789008), (11, 717280), (16, 493130), (20, 394504), (22, 358640), (32, 246565), (40, 197252), (44, 179320), (55, 143456), (80, 98626), (88, 89660), (110, 71728), (160, 49313), (176, 44830), (220, 35864), (352, 22415), (440, 17932), (880, 8966), (1760, 4483)]