31121360

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^3$

素因数の和:232

約数の個数: 40

約数和(自身を含む): 73362120

約数和(自身を除く): 42240760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5329, 5840, 10658, 21316, 26645, 42632, 53290, 85264, 106580, 213160, 389017, 426320, 778034, 1556068, 1945085, 3112136, 3890170, 6224272, 7780340, 15560680, 31121360]

約数ペア:

[(1, 31121360), (2, 15560680), (4, 7780340), (5, 6224272), (8, 3890170), (10, 3112136), (16, 1945085), (20, 1556068), (40, 778034), (73, 426320), (80, 389017), (146, 213160), (292, 106580), (365, 85264), (584, 53290), (730, 42632), (1168, 26645), (1460, 21316), (2920, 10658), (5329, 5840)]