26525240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1632

約数の個数: 64

約数和(自身を含む): 69370560

約数和(自身を除く): 42845320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1553, 1708, 2135, 2440, 3106, 3416, 4270, 6212, 7765, 8540, 10871, 12424, 15530, 17080, 21742, 31060, 43484, 54355, 62120, 86968, 94733, 108710, 189466, 217420, 378932, 434840, 473665, 663131, 757864, 947330, 1326262, 1894660, 2652524, 3315655, 3789320, 5305048, 6631310, 13262620, 26525240]

約数ペア:

[(1, 26525240), (2, 13262620), (4, 6631310), (5, 5305048), (7, 3789320), (8, 3315655), (10, 2652524), (14, 1894660), (20, 1326262), (28, 947330), (35, 757864), (40, 663131), (56, 473665), (61, 434840), (70, 378932), (122, 217420), (140, 189466), (244, 108710), (280, 94733), (305, 86968), (427, 62120), (488, 54355), (610, 43484), (854, 31060), (1220, 21742), (1553, 17080), (1708, 15530), (2135, 12424), (2440, 10871), (3106, 8540), (3416, 7765), (4270, 6212)]