24986620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 54706176

約数和(自身を除く): 29719556

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 191, 211, 310, 382, 422, 620, 764, 844, 955, 1055, 1910, 2110, 3820, 4220, 5921, 6541, 11842, 13082, 23684, 26164, 29605, 32705, 40301, 59210, 65410, 80602, 118420, 130820, 161204, 201505, 403010, 806020, 1249331, 2498662, 4997324, 6246655, 12493310, 24986620]

約数ペア:

[(1, 24986620), (2, 12493310), (4, 6246655), (5, 4997324), (10, 2498662), (20, 1249331), (31, 806020), (62, 403010), (124, 201505), (155, 161204), (191, 130820), (211, 118420), (310, 80602), (382, 65410), (422, 59210), (620, 40301), (764, 32705), (844, 29605), (955, 26164), (1055, 23684), (1910, 13082), (2110, 11842), (3820, 6541), (4220, 5921)]