15948920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30671}}^1$

素因数の和:30695

約数の個数: 32

約数和(自身を含む): 38646720

約数和(自身を除く): 22697800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 30671, 61342, 122684, 153355, 245368, 306710, 398723, 613420, 797446, 1226840, 1594892, 1993615, 3189784, 3987230, 7974460, 15948920]

約数ペア:

[(1, 15948920), (2, 7974460), (4, 3987230), (5, 3189784), (8, 1993615), (10, 1594892), (13, 1226840), (20, 797446), (26, 613420), (40, 398723), (52, 306710), (65, 245368), (104, 153355), (130, 122684), (260, 61342), (520, 30671)]