6638840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 17055360

約数和(自身を除く): 10416520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 751, 884, 1105, 1502, 1768, 2210, 3004, 3755, 4420, 6008, 7510, 8840, 9763, 12767, 15020, 19526, 25534, 30040, 39052, 48815, 51068, 63835, 78104, 97630, 102136, 127670, 165971, 195260, 255340, 331942, 390520, 510680, 663884, 829855, 1327768, 1659710, 3319420, 6638840]

約数ペア:

[(1, 6638840), (2, 3319420), (4, 1659710), (5, 1327768), (8, 829855), (10, 663884), (13, 510680), (17, 390520), (20, 331942), (26, 255340), (34, 195260), (40, 165971), (52, 127670), (65, 102136), (68, 97630), (85, 78104), (104, 63835), (130, 51068), (136, 48815), (170, 39052), (221, 30040), (260, 25534), (340, 19526), (442, 15020), (520, 12767), (680, 9763), (751, 8840), (884, 7510), (1105, 6008), (1502, 4420), (1768, 3755), (2210, 3004)]