408023920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{108517}}^1$

素因数の和:108577

約数の個数: 40

約数和(自身を含む): 968848704

約数和(自身を除く): 560824784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 108517, 217034, 434068, 542585, 868136, 1085170, 1736272, 2170340, 4340680, 5100299, 8681360, 10200598, 20401196, 25501495, 40802392, 51002990, 81604784, 102005980, 204011960, 408023920]

約数ペア:

[(1, 408023920), (2, 204011960), (4, 102005980), (5, 81604784), (8, 51002990), (10, 40802392), (16, 25501495), (20, 20401196), (40, 10200598), (47, 8681360), (80, 5100299), (94, 4340680), (188, 2170340), (235, 1736272), (376, 1085170), (470, 868136), (752, 542585), (940, 434068), (1880, 217034), (3760, 108517)]