61231880

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{2719}}^1$

素因数の和:3293

約数の個数: 32

約数和(自身を含む): 138067200

約数和(自身を除く): 76835320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2719, 2815, 4504, 5438, 5630, 10876, 11260, 13595, 21752, 22520, 27190, 54380, 108760, 1530797, 3061594, 6123188, 7653985, 12246376, 15307970, 30615940, 61231880]

約数ペア:

[(1, 61231880), (2, 30615940), (4, 15307970), (5, 12246376), (8, 7653985), (10, 6123188), (20, 3061594), (40, 1530797), (563, 108760), (1126, 54380), (2252, 27190), (2719, 22520), (2815, 21752), (4504, 13595), (5438, 11260), (5630, 10876)]