27930880

素因数分解:

$2^8\times 5^1\times {\mathrm{21821}}^1$

素因数の和:21842

約数の個数: 36

約数和(自身を含む): 66906252

約数和(自身を除く): 38975372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 21821, 43642, 87284, 109105, 174568, 218210, 349136, 436420, 698272, 872840, 1396544, 1745680, 2793088, 3491360, 5586176, 6982720, 13965440, 27930880]

約数ペア:

[(1, 27930880), (2, 13965440), (4, 6982720), (5, 5586176), (8, 3491360), (10, 2793088), (16, 1745680), (20, 1396544), (32, 872840), (40, 698272), (64, 436420), (80, 349136), (128, 218210), (160, 174568), (256, 109105), (320, 87284), (640, 43642), (1280, 21821)]