17940040

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1861}}^1$

素因数の和:2113

約数の個数: 32

約数和(自身を含む): 40554360

約数和(自身を除く): 22614320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1861, 1928, 2410, 3722, 4820, 7444, 9305, 9640, 14888, 18610, 37220, 74440, 448501, 897002, 1794004, 2242505, 3588008, 4485010, 8970020, 17940040]

約数ペア:

[(1, 17940040), (2, 8970020), (4, 4485010), (5, 3588008), (8, 2242505), (10, 1794004), (20, 897002), (40, 448501), (241, 74440), (482, 37220), (964, 18610), (1205, 14888), (1861, 9640), (1928, 9305), (2410, 7444), (3722, 4820)]