13712720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:588

約数の個数: 80

約数和(自身を含む): 37283328

約数和(自身を除く): 23570608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 521, 560, 658, 752, 940, 1042, 1316, 1645, 1880, 2084, 2605, 2632, 3290, 3647, 3760, 4168, 5210, 5264, 6580, 7294, 8336, 10420, 13160, 14588, 18235, 20840, 24487, 26320, 29176, 36470, 41680, 48974, 58352, 72940, 97948, 122435, 145880, 171409, 195896, 244870, 291760, 342818, 391792, 489740, 685636, 857045, 979480, 1371272, 1714090, 1958960, 2742544, 3428180, 6856360, 13712720]

約数ペア:

[(1, 13712720), (2, 6856360), (4, 3428180), (5, 2742544), (7, 1958960), (8, 1714090), (10, 1371272), (14, 979480), (16, 857045), (20, 685636), (28, 489740), (35, 391792), (40, 342818), (47, 291760), (56, 244870), (70, 195896), (80, 171409), (94, 145880), (112, 122435), (140, 97948), (188, 72940), (235, 58352), (280, 48974), (329, 41680), (376, 36470), (470, 29176), (521, 26320), (560, 24487), (658, 20840), (752, 18235), (940, 14588), (1042, 13160), (1316, 10420), (1645, 8336), (1880, 7294), (2084, 6580), (2605, 5264), (2632, 5210), (3290, 4168), (3647, 3760)]