156698240

素因数分解:

$2^7\times 5^1\times {\mathrm{244841}}^1$

素因数の和:244860

約数の個数: 32

約数和(自身を含む): 374608260

約数和(自身を除く): 217910020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 244841, 489682, 979364, 1224205, 1958728, 2448410, 3917456, 4896820, 7834912, 9793640, 15669824, 19587280, 31339648, 39174560, 78349120, 156698240]

約数ペア:

[(1, 156698240), (2, 78349120), (4, 39174560), (5, 31339648), (8, 19587280), (10, 15669824), (16, 9793640), (20, 7834912), (32, 4896820), (40, 3917456), (64, 2448410), (80, 1958728), (128, 1224205), (160, 979364), (320, 489682), (640, 244841)]