71128720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5261}}^1$

素因数の和:5300

約数の個数: 60

約数和(自身を含む): 179107956

約数和(自身を除く): 107979236

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, 5261, 6760, 10522, 13520, 21044, 26305, 42088, 52610, 68393, 84176, 105220, 136786, 210440, 273572, 341965, 420880, 547144, 683930, 889109, 1094288, 1367860, 1778218, 2735720, 3556436, 4445545, 5471440, 7112872, 8891090, 14225744, 17782180, 35564360, 71128720]

約数ペア:

[(1, 71128720), (2, 35564360), (4, 17782180), (5, 14225744), (8, 8891090), (10, 7112872), (13, 5471440), (16, 4445545), (20, 3556436), (26, 2735720), (40, 1778218), (52, 1367860), (65, 1094288), (80, 889109), (104, 683930), (130, 547144), (169, 420880), (208, 341965), (260, 273572), (338, 210440), (520, 136786), (676, 105220), (845, 84176), (1040, 68393), (1352, 52610), (1690, 42088), (2704, 26305), (3380, 21044), (5261, 13520), (6760, 10522)]