156738499640

素因数分解:

$2^3\times 5^1\times {\mathrm{6991}}^1\times {\mathrm{560501}}^1$

素因数の和:567503

約数の個数: 32

約数和(自身を含む): 352712698560

約数和(自身を除く): 195974198920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6991, 13982, 27964, 34955, 55928, 69910, 139820, 279640, 560501, 1121002, 2242004, 2802505, 4484008, 5605010, 11210020, 22420040, 3918462491, 7836924982, 15673849964, 19592312455, 31347699928, 39184624910, 78369249820, 156738499640]

約数ペア:

[(1, 156738499640), (2, 78369249820), (4, 39184624910), (5, 31347699928), (8, 19592312455), (10, 15673849964), (20, 7836924982), (40, 3918462491), (6991, 22420040), (13982, 11210020), (27964, 5605010), (34955, 4484008), (55928, 2802505), (69910, 2242004), (139820, 1121002), (279640, 560501)]