90010880

素因数分解:

$2^8\times 5^1\times {\mathrm{70321}}^1$

素因数の和:70342

約数の個数: 36

約数和(自身を含む): 215607252

約数和(自身を除く): 125596372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 70321, 140642, 281284, 351605, 562568, 703210, 1125136, 1406420, 2250272, 2812840, 4500544, 5625680, 9001088, 11251360, 18002176, 22502720, 45005440, 90010880]

約数ペア:

[(1, 90010880), (2, 45005440), (4, 22502720), (5, 18002176), (8, 11251360), (10, 9001088), (16, 5625680), (20, 4500544), (32, 2812840), (40, 2250272), (64, 1406420), (80, 1125136), (128, 703210), (160, 562568), (256, 351605), (320, 281284), (640, 140642), (1280, 70321)]