51689680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{383}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 138276864

約数和(自身を除く): 86587184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 241, 280, 383, 482, 560, 766, 964, 1205, 1532, 1687, 1915, 1928, 2410, 2681, 3064, 3374, 3830, 3856, 4820, 5362, 6128, 6748, 7660, 8435, 9640, 10724, 13405, 13496, 15320, 16870, 19280, 21448, 26810, 26992, 30640, 33740, 42896, 53620, 67480, 92303, 107240, 134960, 184606, 214480, 369212, 461515, 646121, 738424, 923030, 1292242, 1476848, 1846060, 2584484, 3230605, 3692120, 5168968, 6461210, 7384240, 10337936, 12922420, 25844840, 51689680]

約数ペア:

[(1, 51689680), (2, 25844840), (4, 12922420), (5, 10337936), (7, 7384240), (8, 6461210), (10, 5168968), (14, 3692120), (16, 3230605), (20, 2584484), (28, 1846060), (35, 1476848), (40, 1292242), (56, 923030), (70, 738424), (80, 646121), (112, 461515), (140, 369212), (241, 214480), (280, 184606), (383, 134960), (482, 107240), (560, 92303), (766, 67480), (964, 53620), (1205, 42896), (1532, 33740), (1687, 30640), (1915, 26992), (1928, 26810), (2410, 21448), (2681, 19280), (3064, 16870), (3374, 15320), (3830, 13496), (3856, 13405), (4820, 10724), (5362, 9640), (6128, 8435), (6748, 7660)]