105555920

素因数分解:

$2^4\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1861}}^1$

素因数の和:2583

約数の個数: 40

約数和(自身を含む): 245895720

約数和(自身を除く): 140339800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 709, 1418, 1861, 2836, 3545, 3722, 5672, 7090, 7444, 9305, 11344, 14180, 14888, 18610, 28360, 29776, 37220, 56720, 74440, 148880, 1319449, 2638898, 5277796, 6597245, 10555592, 13194490, 21111184, 26388980, 52777960, 105555920]

約数ペア:

[(1, 105555920), (2, 52777960), (4, 26388980), (5, 21111184), (8, 13194490), (10, 10555592), (16, 6597245), (20, 5277796), (40, 2638898), (80, 1319449), (709, 148880), (1418, 74440), (1861, 56720), (2836, 37220), (3545, 29776), (3722, 28360), (5672, 18610), (7090, 14888), (7444, 14180), (9305, 11344)]