251007920

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{5573}}^1$

素因数の和:6149

約数の個数: 40

約数和(自身を含む): 584734896

約数和(自身を除く): 333726976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 2252, 2815, 4504, 5573, 5630, 9008, 11146, 11260, 22292, 22520, 27865, 44584, 45040, 55730, 89168, 111460, 222920, 445840, 3137599, 6275198, 12550396, 15687995, 25100792, 31375990, 50201584, 62751980, 125503960, 251007920]

約数ペア:

[(1, 251007920), (2, 125503960), (4, 62751980), (5, 50201584), (8, 31375990), (10, 25100792), (16, 15687995), (20, 12550396), (40, 6275198), (80, 3137599), (563, 445840), (1126, 222920), (2252, 111460), (2815, 89168), (4504, 55730), (5573, 45040), (5630, 44584), (9008, 27865), (11146, 22520), (11260, 22292)]