9238840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 22730400

約数和(自身を除く): 13491560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 163, 218, 260, 326, 436, 520, 545, 652, 815, 872, 1090, 1304, 1417, 1630, 2119, 2180, 2834, 3260, 4238, 4360, 5668, 6520, 7085, 8476, 10595, 11336, 14170, 16952, 17767, 21190, 28340, 35534, 42380, 56680, 71068, 84760, 88835, 142136, 177670, 230971, 355340, 461942, 710680, 923884, 1154855, 1847768, 2309710, 4619420, 9238840]

約数ペア:

[(1, 9238840), (2, 4619420), (4, 2309710), (5, 1847768), (8, 1154855), (10, 923884), (13, 710680), (20, 461942), (26, 355340), (40, 230971), (52, 177670), (65, 142136), (104, 88835), (109, 84760), (130, 71068), (163, 56680), (218, 42380), (260, 35534), (326, 28340), (436, 21190), (520, 17767), (545, 16952), (652, 14170), (815, 11336), (872, 10595), (1090, 8476), (1304, 7085), (1417, 6520), (1630, 5668), (2119, 4360), (2180, 4238), (2834, 3260)]