2154920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3169}}^1$

素因数の和:3197

約数の個数: 32

約数和(自身を含む): 5135400

約数和(自身を除く): 2980480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 3169, 6338, 12676, 15845, 25352, 31690, 53873, 63380, 107746, 126760, 215492, 269365, 430984, 538730, 1077460, 2154920]

約数ペア:

[(1, 2154920), (2, 1077460), (4, 538730), (5, 430984), (8, 269365), (10, 215492), (17, 126760), (20, 107746), (34, 63380), (40, 53873), (68, 31690), (85, 25352), (136, 15845), (170, 12676), (340, 6338), (680, 3169)]