31792020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40759}}^1$

素因数の和:40784

約数の個数: 48

約数和(自身を含む): 95867520

約数和(自身を除く): 64075500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40759, 81518, 122277, 163036, 203795, 244554, 407590, 489108, 529867, 611385, 815180, 1059734, 1222770, 1589601, 2119468, 2445540, 2649335, 3179202, 5298670, 6358404, 7948005, 10597340, 15896010, 31792020]

約数ペア:

[(1, 31792020), (2, 15896010), (3, 10597340), (4, 7948005), (5, 6358404), (6, 5298670), (10, 3179202), (12, 2649335), (13, 2445540), (15, 2119468), (20, 1589601), (26, 1222770), (30, 1059734), (39, 815180), (52, 611385), (60, 529867), (65, 489108), (78, 407590), (130, 244554), (156, 203795), (195, 163036), (260, 122277), (390, 81518), (780, 40759)]