84338840

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{8017}}^1$

素因数の和:8291

約数の個数: 32

約数和(自身を含む): 190507680

約数和(自身を除く): 106168840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 8017, 10520, 16034, 32068, 40085, 64136, 80170, 160340, 320680, 2108471, 4216942, 8433884, 10542355, 16867768, 21084710, 42169420, 84338840]

約数ペア:

[(1, 84338840), (2, 42169420), (4, 21084710), (5, 16867768), (8, 10542355), (10, 8433884), (20, 4216942), (40, 2108471), (263, 320680), (526, 160340), (1052, 80170), (1315, 64136), (2104, 40085), (2630, 32068), (5260, 16034), (8017, 10520)]