1298565560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{532199}}^1$

素因数の和:532271

約数の個数: 32

約数和(自身を含む): 2969676000

約数和(自身を除く): 1671110440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 532199, 1064398, 2128796, 2660995, 4257592, 5321990, 10643980, 21287960, 32464139, 64928278, 129856556, 162320695, 259713112, 324641390, 649282780, 1298565560]

約数ペア:

[(1, 1298565560), (2, 649282780), (4, 324641390), (5, 259713112), (8, 162320695), (10, 129856556), (20, 64928278), (40, 32464139), (61, 21287960), (122, 10643980), (244, 5321990), (305, 4257592), (488, 2660995), (610, 2128796), (1220, 1064398), (2440, 532199)]