66253360

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6521}}^1$

素因数の和:6661

約数の個数: 40

約数和(自身を含む): 155275776

約数和(自身を除く): 89022416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 6521, 10160, 13042, 26084, 32605, 52168, 65210, 104336, 130420, 260840, 521680, 828167, 1656334, 3312668, 4140835, 6625336, 8281670, 13250672, 16563340, 33126680, 66253360]

約数ペア:

[(1, 66253360), (2, 33126680), (4, 16563340), (5, 13250672), (8, 8281670), (10, 6625336), (16, 4140835), (20, 3312668), (40, 1656334), (80, 828167), (127, 521680), (254, 260840), (508, 130420), (635, 104336), (1016, 65210), (1270, 52168), (2032, 32605), (2540, 26084), (5080, 13042), (6521, 10160)]