16730120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 25260280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 809, 940, 1034, 1618, 1880, 2068, 2585, 3236, 4045, 4136, 5170, 6472, 8090, 8899, 10340, 16180, 17798, 20680, 32360, 35596, 38023, 44495, 71192, 76046, 88990, 152092, 177980, 190115, 304184, 355960, 380230, 418253, 760460, 836506, 1520920, 1673012, 2091265, 3346024, 4182530, 8365060, 16730120]

約数ペア:

[(1, 16730120), (2, 8365060), (4, 4182530), (5, 3346024), (8, 2091265), (10, 1673012), (11, 1520920), (20, 836506), (22, 760460), (40, 418253), (44, 380230), (47, 355960), (55, 304184), (88, 190115), (94, 177980), (110, 152092), (188, 88990), (220, 76046), (235, 71192), (376, 44495), (440, 38023), (470, 35596), (517, 32360), (809, 20680), (940, 17798), (1034, 16180), (1618, 10340), (1880, 8899), (2068, 8090), (2585, 6472), (3236, 5170), (4045, 4136)]