38680720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2861}}^1$

素因数の和:2900

約数の個数: 60

約数和(自身を含む): 97416756

約数和(自身を除く): 58736036

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, 2861, 3380, 5722, 6760, 11444, 13520, 14305, 22888, 28610, 37193, 45776, 57220, 74386, 114440, 148772, 185965, 228880, 297544, 371930, 483509, 595088, 743860, 967018, 1487720, 1934036, 2417545, 2975440, 3868072, 4835090, 7736144, 9670180, 19340360, 38680720]

約数ペア:

[(1, 38680720), (2, 19340360), (4, 9670180), (5, 7736144), (8, 4835090), (10, 3868072), (13, 2975440), (16, 2417545), (20, 1934036), (26, 1487720), (40, 967018), (52, 743860), (65, 595088), (80, 483509), (104, 371930), (130, 297544), (169, 228880), (208, 185965), (260, 148772), (338, 114440), (520, 74386), (676, 57220), (845, 45776), (1040, 37193), (1352, 28610), (1690, 22888), (2704, 14305), (2861, 13520), (3380, 11444), (5722, 6760)]