43142840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 105386400

約数和(自身を除く): 62243560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 326, 509, 520, 652, 815, 1018, 1304, 1630, 2036, 2119, 2545, 3260, 4072, 4238, 5090, 6520, 6617, 8476, 10180, 10595, 13234, 16952, 20360, 21190, 26468, 33085, 42380, 52936, 66170, 82967, 84760, 132340, 165934, 264680, 331868, 414835, 663736, 829670, 1078571, 1659340, 2157142, 3318680, 4314284, 5392855, 8628568, 10785710, 21571420, 43142840]

約数ペア:

[(1, 43142840), (2, 21571420), (4, 10785710), (5, 8628568), (8, 5392855), (10, 4314284), (13, 3318680), (20, 2157142), (26, 1659340), (40, 1078571), (52, 829670), (65, 663736), (104, 414835), (130, 331868), (163, 264680), (260, 165934), (326, 132340), (509, 84760), (520, 82967), (652, 66170), (815, 52936), (1018, 42380), (1304, 33085), (1630, 26468), (2036, 21190), (2119, 20360), (2545, 16952), (3260, 13234), (4072, 10595), (4238, 10180), (5090, 8476), (6520, 6617)]