71615440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5297}}^1$

素因数の和:5336

約数の個数: 60

約数和(自身を含む): 180333324

約数和(自身を除く): 108717884

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 5297, 6760, 10594, 13520, 21188, 26485, 42376, 52970, 68861, 84752, 105940, 137722, 211880, 275444, 344305, 423760, 550888, 688610, 895193, 1101776, 1377220, 1790386, 2754440, 3580772, 4475965, 5508880, 7161544, 8951930, 14323088, 17903860, 35807720, 71615440]

約数ペア:

[(1, 71615440), (2, 35807720), (4, 17903860), (5, 14323088), (8, 8951930), (10, 7161544), (13, 5508880), (16, 4475965), (20, 3580772), (26, 2754440), (40, 1790386), (52, 1377220), (65, 1101776), (80, 895193), (104, 688610), (130, 550888), (169, 423760), (208, 344305), (260, 275444), (338, 211880), (520, 137722), (676, 105940), (845, 84752), (1040, 68861), (1352, 52970), (1690, 42376), (2704, 26485), (3380, 21188), (5297, 13520), (6760, 10594)]