72709400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{8867}}^1$

素因数の和:8924

約数の個数: 48

約数和(自身を含む): 173192040

約数和(自身を除く): 100482640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8200, 8867, 17734, 35468, 44335, 70936, 88670, 177340, 221675, 354680, 363547, 443350, 727094, 886700, 1454188, 1773400, 1817735, 2908376, 3635470, 7270940, 9088675, 14541880, 18177350, 36354700, 72709400]

約数ペア:

[(1, 72709400), (2, 36354700), (4, 18177350), (5, 14541880), (8, 9088675), (10, 7270940), (20, 3635470), (25, 2908376), (40, 1817735), (41, 1773400), (50, 1454188), (82, 886700), (100, 727094), (164, 443350), (200, 363547), (205, 354680), (328, 221675), (410, 177340), (820, 88670), (1025, 70936), (1640, 44335), (2050, 35468), (4100, 17734), (8200, 8867)]