1438840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2767}}^1$

素因数の和:2791

約数の個数: 32

約数和(自身を含む): 3487680

約数和(自身を除く): 2048840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2767, 5534, 11068, 13835, 22136, 27670, 35971, 55340, 71942, 110680, 143884, 179855, 287768, 359710, 719420, 1438840]

約数ペア:

[(1, 1438840), (2, 719420), (4, 359710), (5, 287768), (8, 179855), (10, 143884), (13, 110680), (20, 71942), (26, 55340), (40, 35971), (52, 27670), (65, 22136), (104, 13835), (130, 11068), (260, 5534), (520, 2767)]