71892080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69127}}^1$

素因数の和:69153

約数の個数: 40

約数和(自身を含む): 180009312

約数和(自身を除く): 108117232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69127, 138254, 276508, 345635, 553016, 691270, 898651, 1106032, 1382540, 1797302, 2765080, 3594604, 4493255, 5530160, 7189208, 8986510, 14378416, 17973020, 35946040, 71892080]

約数ペア:

[(1, 71892080), (2, 35946040), (4, 17973020), (5, 14378416), (8, 8986510), (10, 7189208), (13, 5530160), (16, 4493255), (20, 3594604), (26, 2765080), (40, 1797302), (52, 1382540), (65, 1106032), (80, 898651), (104, 691270), (130, 553016), (208, 345635), (260, 276508), (520, 138254), (1040, 69127)]