128426240

素因数分解:

$2^8\times 5^1\times {\mathrm{100333}}^1$

素因数の和:100354

約数の個数: 36

約数和(自身を含む): 307624044

約数和(自身を除く): 179197804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 100333, 200666, 401332, 501665, 802664, 1003330, 1605328, 2006660, 3210656, 4013320, 6421312, 8026640, 12842624, 16053280, 25685248, 32106560, 64213120, 128426240]

約数ペア:

[(1, 128426240), (2, 64213120), (4, 32106560), (5, 25685248), (8, 16053280), (10, 12842624), (16, 8026640), (20, 6421312), (32, 4013320), (40, 3210656), (64, 2006660), (80, 1605328), (128, 1003330), (160, 802664), (256, 501665), (320, 401332), (640, 200666), (1280, 100333)]