171612920

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{26321}}^1$

素因数の和:26495

約数の個数: 32

約数和(自身を含む): 388512720

約数和(自身を除く): 216899800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 26321, 52642, 105284, 131605, 210568, 263210, 526420, 1052840, 4290323, 8580646, 17161292, 21451615, 34322584, 42903230, 85806460, 171612920]

約数ペア:

[(1, 171612920), (2, 85806460), (4, 42903230), (5, 34322584), (8, 21451615), (10, 17161292), (20, 8580646), (40, 4290323), (163, 1052840), (326, 526420), (652, 263210), (815, 210568), (1304, 131605), (1630, 105284), (3260, 52642), (6520, 26321)]