50888980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 111121920

約数和(自身を除く): 60232940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 211, 310, 389, 422, 620, 778, 844, 1055, 1556, 1945, 2110, 3890, 4220, 6541, 7780, 12059, 13082, 24118, 26164, 32705, 48236, 60295, 65410, 82079, 120590, 130820, 164158, 241180, 328316, 410395, 820790, 1641580, 2544449, 5088898, 10177796, 12722245, 25444490, 50888980]

約数ペア:

[(1, 50888980), (2, 25444490), (4, 12722245), (5, 10177796), (10, 5088898), (20, 2544449), (31, 1641580), (62, 820790), (124, 410395), (155, 328316), (211, 241180), (310, 164158), (389, 130820), (422, 120590), (620, 82079), (778, 65410), (844, 60295), (1055, 48236), (1556, 32705), (1945, 26164), (2110, 24118), (3890, 13082), (4220, 12059), (6541, 7780)]