74191840

素因数分解:

$2^5\times 5^1\times {\mathrm{509}}^1\times {\mathrm{911}}^1$

素因数の和:1435

約数の個数: 48

約数和(自身を含む): 175815360

約数和(自身を除く): 101623520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 509, 911, 1018, 1822, 2036, 2545, 3644, 4072, 4555, 5090, 7288, 8144, 9110, 10180, 14576, 16288, 18220, 20360, 29152, 36440, 40720, 72880, 81440, 145760, 463699, 927398, 1854796, 2318495, 3709592, 4636990, 7419184, 9273980, 14838368, 18547960, 37095920, 74191840]

約数ペア:

[(1, 74191840), (2, 37095920), (4, 18547960), (5, 14838368), (8, 9273980), (10, 7419184), (16, 4636990), (20, 3709592), (32, 2318495), (40, 1854796), (80, 927398), (160, 463699), (509, 145760), (911, 81440), (1018, 72880), (1822, 40720), (2036, 36440), (2545, 29152), (3644, 20360), (4072, 18220), (4555, 16288), (5090, 14576), (7288, 10180), (8144, 9110)]