143185640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{275357}}^1$

素因数の和:275381

約数の個数: 32

約数和(自身を含む): 346951080

約数和(自身を除く): 203765440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 275357, 550714, 1101428, 1376785, 2202856, 2753570, 3579641, 5507140, 7159282, 11014280, 14318564, 17898205, 28637128, 35796410, 71592820, 143185640]

約数ペア:

[(1, 143185640), (2, 71592820), (4, 35796410), (5, 28637128), (8, 17898205), (10, 14318564), (13, 11014280), (20, 7159282), (26, 5507140), (40, 3579641), (52, 2753570), (65, 2202856), (104, 1376785), (130, 1101428), (260, 550714), (520, 275357)]