64493900

素因数分解:

$2^2\times 5^2\times {\mathrm{461}}^1\times {\mathrm{1399}}^1$

素因数の和:1874

約数の個数: 36

約数和(自身を含む): 140355600

約数和(自身を除く): 75861700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 461, 922, 1399, 1844, 2305, 2798, 4610, 5596, 6995, 9220, 11525, 13990, 23050, 27980, 34975, 46100, 69950, 139900, 644939, 1289878, 2579756, 3224695, 6449390, 12898780, 16123475, 32246950, 64493900]

約数ペア:

[(1, 64493900), (2, 32246950), (4, 16123475), (5, 12898780), (10, 6449390), (20, 3224695), (25, 2579756), (50, 1289878), (100, 644939), (461, 139900), (922, 69950), (1399, 46100), (1844, 34975), (2305, 27980), (2798, 23050), (4610, 13990), (5596, 11525), (6995, 9220)]