26639480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 69336000

約数和(自身を除く): 42696520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1069, 1246, 1780, 2138, 2492, 3115, 3560, 4276, 4984, 5345, 6230, 7483, 8552, 10690, 12460, 14966, 21380, 24920, 29932, 37415, 42760, 59864, 74830, 95141, 149660, 190282, 299320, 380564, 475705, 665987, 761128, 951410, 1331974, 1902820, 2663948, 3329935, 3805640, 5327896, 6659870, 13319740, 26639480]

約数ペア:

[(1, 26639480), (2, 13319740), (4, 6659870), (5, 5327896), (7, 3805640), (8, 3329935), (10, 2663948), (14, 1902820), (20, 1331974), (28, 951410), (35, 761128), (40, 665987), (56, 475705), (70, 380564), (89, 299320), (140, 190282), (178, 149660), (280, 95141), (356, 74830), (445, 59864), (623, 42760), (712, 37415), (890, 29932), (1069, 24920), (1246, 21380), (1780, 14966), (2138, 12460), (2492, 10690), (3115, 8552), (3560, 7483), (4276, 6230), (4984, 5345)]