156835520

素因数分解:

$2^6\times 5^1\times {\mathrm{490111}}^1$

素因数の和:490128

約数の個数: 28

約数和(自身を含む): 373465344

約数和(自身を除く): 216629824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 490111, 980222, 1960444, 2450555, 3920888, 4901110, 7841776, 9802220, 15683552, 19604440, 31367104, 39208880, 78417760, 156835520]

約数ペア:

[(1, 156835520), (2, 78417760), (4, 39208880), (5, 31367104), (8, 19604440), (10, 15683552), (16, 9802220), (20, 7841776), (32, 4901110), (40, 3920888), (64, 2450555), (80, 1960444), (160, 980222), (320, 490111)]