87180040

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{11411}}^1$

素因数の和:11613

約数の個数: 32

約数和(自身を含む): 197199360

約数和(自身を除く): 110019320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 11411, 22822, 45644, 57055, 91288, 114110, 228220, 456440, 2179501, 4359002, 8718004, 10897505, 17436008, 21795010, 43590020, 87180040]

約数ペア:

[(1, 87180040), (2, 43590020), (4, 21795010), (5, 17436008), (8, 10897505), (10, 8718004), (20, 4359002), (40, 2179501), (191, 456440), (382, 228220), (764, 114110), (955, 91288), (1528, 57055), (1910, 45644), (3820, 22822), (7640, 11411)]