73997680

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3517}}^1$

素因数の和:3793

約数の個数: 40

約数和(自身を含む): 172747872

約数和(自身を除く): 98750192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 3517, 4208, 5260, 7034, 10520, 14068, 17585, 21040, 28136, 35170, 56272, 70340, 140680, 281360, 924971, 1849942, 3699884, 4624855, 7399768, 9249710, 14799536, 18499420, 36998840, 73997680]

約数ペア:

[(1, 73997680), (2, 36998840), (4, 18499420), (5, 14799536), (8, 9249710), (10, 7399768), (16, 4624855), (20, 3699884), (40, 1849942), (80, 924971), (263, 281360), (526, 140680), (1052, 70340), (1315, 56272), (2104, 35170), (2630, 28136), (3517, 21040), (4208, 17585), (5260, 14068), (7034, 10520)]