70538840

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{5563}}^1$

素因数の和:5891

約数の個数: 32

約数和(自身を含む): 159241680

約数和(自身を除く): 88702840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 5563, 6340, 11126, 12680, 22252, 27815, 44504, 55630, 111260, 222520, 1763471, 3526942, 7053884, 8817355, 14107768, 17634710, 35269420, 70538840]

約数ペア:

[(1, 70538840), (2, 35269420), (4, 17634710), (5, 14107768), (8, 8817355), (10, 7053884), (20, 3526942), (40, 1763471), (317, 222520), (634, 111260), (1268, 55630), (1585, 44504), (2536, 27815), (3170, 22252), (5563, 12680), (6340, 11126)]