30642280

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1873}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 69150600

約数和(自身を除く): 38508320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 1873, 2045, 3272, 3746, 4090, 7492, 8180, 9365, 14984, 16360, 18730, 37460, 74920, 766057, 1532114, 3064228, 3830285, 6128456, 7660570, 15321140, 30642280]

約数ペア:

[(1, 30642280), (2, 15321140), (4, 7660570), (5, 6128456), (8, 3830285), (10, 3064228), (20, 1532114), (40, 766057), (409, 74920), (818, 37460), (1636, 18730), (1873, 16360), (2045, 14984), (3272, 9365), (3746, 8180), (4090, 7492)]