1780090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13693}}^1$

素因数の和:13713

約数の個数: 16

約数和(自身を含む): 3450888

約数和(自身を除く): 1670798

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 13693, 27386, 68465, 136930, 178009, 356018, 890045, 1780090]

約数ペア:

[(1, 1780090), (2, 890045), (5, 356018), (10, 178009), (13, 136930), (26, 68465), (65, 27386), (130, 13693)]