1672840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3217}}^1$

素因数の和:3241

約数の個数: 32

約数和(自身を含む): 4054680

約数和(自身を除く): 2381840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3217, 6434, 12868, 16085, 25736, 32170, 41821, 64340, 83642, 128680, 167284, 209105, 334568, 418210, 836420, 1672840]

約数ペア:

[(1, 1672840), (2, 836420), (4, 418210), (5, 334568), (8, 209105), (10, 167284), (13, 128680), (20, 83642), (26, 64340), (40, 41821), (52, 32170), (65, 25736), (104, 16085), (130, 12868), (260, 6434), (520, 3217)]