28138550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{4651}}^1$

素因数の和:4685

約数の個数: 36

約数和(自身を含む): 57540588

約数和(自身を除く): 29402038

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 4651, 6050, 9302, 23255, 46510, 51161, 102322, 116275, 232550, 255805, 511610, 562771, 1125542, 1279025, 2558050, 2813855, 5627710, 14069275, 28138550]

約数ペア:

[(1, 28138550), (2, 14069275), (5, 5627710), (10, 2813855), (11, 2558050), (22, 1279025), (25, 1125542), (50, 562771), (55, 511610), (110, 255805), (121, 232550), (242, 116275), (275, 102322), (550, 51161), (605, 46510), (1210, 23255), (3025, 9302), (4651, 6050)]