156980889640

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{6402157}}^1$

素因数の和:6402781

約数の個数: 32

約数和(自身を含む): 353783251080

約数和(自身を除く): 196802361440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 4904, 6130, 12260, 24520, 6402157, 12804314, 25608628, 32010785, 51217256, 64021570, 128043140, 256086280, 3924522241, 7849044482, 15698088964, 19622611205, 31396177928, 39245222410, 78490444820, 156980889640]

約数ペア:

[(1, 156980889640), (2, 78490444820), (4, 39245222410), (5, 31396177928), (8, 19622611205), (10, 15698088964), (20, 7849044482), (40, 3924522241), (613, 256086280), (1226, 128043140), (2452, 64021570), (3065, 51217256), (4904, 32010785), (6130, 25608628), (12260, 12804314), (24520, 6402157)]