202543960

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{9719}}^1$

素因数の和:10251

約数の個数: 32

約数和(自身を含む): 456645600

約数和(自身を除く): 254101640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 9719, 10420, 19438, 20840, 38876, 48595, 77752, 97190, 194380, 388760, 5063599, 10127198, 20254396, 25317995, 40508792, 50635990, 101271980, 202543960]

約数ペア:

[(1, 202543960), (2, 101271980), (4, 50635990), (5, 40508792), (8, 25317995), (10, 20254396), (20, 10127198), (40, 5063599), (521, 388760), (1042, 194380), (2084, 97190), (2605, 77752), (4168, 48595), (5210, 38876), (9719, 20840), (10420, 19438)]