2008129640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4563931}}^1$

素因数の和:4563953

約数の個数: 32

約数和(自身を含む): 4929046560

約数和(自身を除く): 2920916920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4563931, 9127862, 18255724, 22819655, 36511448, 45639310, 50203241, 91278620, 100406482, 182557240, 200812964, 251016205, 401625928, 502032410, 1004064820, 2008129640]

約数ペア:

[(1, 2008129640), (2, 1004064820), (4, 502032410), (5, 401625928), (8, 251016205), (10, 200812964), (11, 182557240), (20, 100406482), (22, 91278620), (40, 50203241), (44, 45639310), (55, 36511448), (88, 22819655), (110, 18255724), (220, 9127862), (440, 4563931)]