74685680

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1949}}^1$

素因数の和:2441

約数の個数: 40

約数和(自身を含む): 174096000

約数和(自身を除く): 99410320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1916, 1949, 2395, 3832, 3898, 4790, 7664, 7796, 9580, 9745, 15592, 19160, 19490, 31184, 38320, 38980, 77960, 155920, 933571, 1867142, 3734284, 4667855, 7468568, 9335710, 14937136, 18671420, 37342840, 74685680]

約数ペア:

[(1, 74685680), (2, 37342840), (4, 18671420), (5, 14937136), (8, 9335710), (10, 7468568), (16, 4667855), (20, 3734284), (40, 1867142), (80, 933571), (479, 155920), (958, 77960), (1916, 38980), (1949, 38320), (2395, 31184), (3832, 19490), (3898, 19160), (4790, 15592), (7664, 9745), (7796, 9580)]