64792880

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1229}}^1$

素因数の和:1901

約数の個数: 40

約数和(自身を含む): 150994800

約数和(自身を除く): 86201920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1229, 1318, 2458, 2636, 3295, 4916, 5272, 6145, 6590, 9832, 10544, 12290, 13180, 19664, 24580, 26360, 49160, 52720, 98320, 809911, 1619822, 3239644, 4049555, 6479288, 8099110, 12958576, 16198220, 32396440, 64792880]

約数ペア:

[(1, 64792880), (2, 32396440), (4, 16198220), (5, 12958576), (8, 8099110), (10, 6479288), (16, 4049555), (20, 3239644), (40, 1619822), (80, 809911), (659, 98320), (1229, 52720), (1318, 49160), (2458, 26360), (2636, 24580), (3295, 19664), (4916, 13180), (5272, 12290), (6145, 10544), (6590, 9832)]