122715920

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21013}}^1$

素因数の和:21099

約数の個数: 40

約数和(自身を含む): 289236696

約数和(自身を除く): 166520776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 21013, 42026, 84052, 105065, 168104, 210130, 336208, 420260, 840520, 1533949, 1681040, 3067898, 6135796, 7669745, 12271592, 15339490, 24543184, 30678980, 61357960, 122715920]

約数ペア:

[(1, 122715920), (2, 61357960), (4, 30678980), (5, 24543184), (8, 15339490), (10, 12271592), (16, 7669745), (20, 6135796), (40, 3067898), (73, 1681040), (80, 1533949), (146, 840520), (292, 420260), (365, 336208), (584, 210130), (730, 168104), (1168, 105065), (1460, 84052), (2920, 42026), (5840, 21013)]