635440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:86

約数の個数: 60

約数和(自身を含む): 1633824

約数和(自身を除く): 998384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 169, 188, 208, 235, 260, 338, 376, 470, 520, 611, 676, 752, 845, 940, 1040, 1222, 1352, 1690, 1880, 2444, 2704, 3055, 3380, 3760, 4888, 6110, 6760, 7943, 9776, 12220, 13520, 15886, 24440, 31772, 39715, 48880, 63544, 79430, 127088, 158860, 317720, 635440]

約数ペア:

[(1, 635440), (2, 317720), (4, 158860), (5, 127088), (8, 79430), (10, 63544), (13, 48880), (16, 39715), (20, 31772), (26, 24440), (40, 15886), (47, 13520), (52, 12220), (65, 9776), (80, 7943), (94, 6760), (104, 6110), (130, 4888), (169, 3760), (188, 3380), (208, 3055), (235, 2704), (260, 2444), (338, 1880), (376, 1690), (470, 1352), (520, 1222), (611, 1040), (676, 940), (752, 845)]