320426990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2464823}}^1$

素因数の和:2464843

約数の個数: 16

約数和(自身を含む): 621135648

約数和(自身を除く): 300708658

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2464823, 4929646, 12324115, 24648230, 32042699, 64085398, 160213495, 320426990]

約数ペア:

[(1, 320426990), (2, 160213495), (5, 64085398), (10, 32042699), (13, 24648230), (26, 12324115), (65, 4929646), (130, 2464823)]