2179021360

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{108517}}^1$

素因数の和:108781

約数の個数: 40

約数和(自身を含む): 5086455696

約数和(自身を除く): 2907434336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 10040, 20080, 108517, 217034, 434068, 542585, 868136, 1085170, 1736272, 2170340, 4340680, 8681360, 27237767, 54475534, 108951068, 136188835, 217902136, 272377670, 435804272, 544755340, 1089510680, 2179021360]

約数ペア:

[(1, 2179021360), (2, 1089510680), (4, 544755340), (5, 435804272), (8, 272377670), (10, 217902136), (16, 136188835), (20, 108951068), (40, 54475534), (80, 27237767), (251, 8681360), (502, 4340680), (1004, 2170340), (1255, 1736272), (2008, 1085170), (2510, 868136), (4016, 542585), (5020, 434068), (10040, 217034), (20080, 108517)]