1556157040

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{234361}}^1$

素因数の和:234457

約数の個数: 40

約数和(自身を含む): 3661671888

約数和(自身を除く): 2105514848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 234361, 468722, 937444, 1171805, 1874888, 2343610, 3749776, 4687220, 9374440, 18748880, 19451963, 38903926, 77807852, 97259815, 155615704, 194519630, 311231408, 389039260, 778078520, 1556157040]

約数ペア:

[(1, 1556157040), (2, 778078520), (4, 389039260), (5, 311231408), (8, 194519630), (10, 155615704), (16, 97259815), (20, 77807852), (40, 38903926), (80, 19451963), (83, 18748880), (166, 9374440), (332, 4687220), (415, 3749776), (664, 2343610), (830, 1874888), (1328, 1171805), (1660, 937444), (3320, 468722), (6640, 234361)]