90040640

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5309}}^1$

素因数の和:5379

約数の個数: 56

約数和(自身を含む): 218495880

約数和(自身を除く): 128455240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1696, 2120, 3392, 4240, 5309, 8480, 10618, 16960, 21236, 26545, 42472, 53090, 84944, 106180, 169888, 212360, 281377, 339776, 424720, 562754, 849440, 1125508, 1406885, 1698880, 2251016, 2813770, 4502032, 5627540, 9004064, 11255080, 18008128, 22510160, 45020320, 90040640]

約数ペア:

[(1, 90040640), (2, 45020320), (4, 22510160), (5, 18008128), (8, 11255080), (10, 9004064), (16, 5627540), (20, 4502032), (32, 2813770), (40, 2251016), (53, 1698880), (64, 1406885), (80, 1125508), (106, 849440), (160, 562754), (212, 424720), (265, 339776), (320, 281377), (424, 212360), (530, 169888), (848, 106180), (1060, 84944), (1696, 53090), (2120, 42472), (3392, 26545), (4240, 21236), (5309, 16960), (8480, 10618)]