127812680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{60289}}^1$

素因数の和:60353

約数の個数: 32

約数和(自身を含む): 293009400

約数和(自身を除く): 165196720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 60289, 120578, 241156, 301445, 482312, 602890, 1205780, 2411560, 3195317, 6390634, 12781268, 15976585, 25562536, 31953170, 63906340, 127812680]

約数ペア:

[(1, 127812680), (2, 63906340), (4, 31953170), (5, 25562536), (8, 15976585), (10, 12781268), (20, 6390634), (40, 3195317), (53, 2411560), (106, 1205780), (212, 602890), (265, 482312), (424, 301445), (530, 241156), (1060, 120578), (2120, 60289)]