79787960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{284957}}^1$

素因数の和:284975

約数の個数: 32

約数和(自身を含む): 205169760

約数和(自身を除く): 125381800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 284957, 569914, 1139828, 1424785, 1994699, 2279656, 2849570, 3989398, 5699140, 7978796, 9973495, 11398280, 15957592, 19946990, 39893980, 79787960]

約数ペア:

[(1, 79787960), (2, 39893980), (4, 19946990), (5, 15957592), (7, 11398280), (8, 9973495), (10, 7978796), (14, 5699140), (20, 3989398), (28, 2849570), (35, 2279656), (40, 1994699), (56, 1424785), (70, 1139828), (140, 569914), (280, 284957)]