90542140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{348239}}^1$

素因数の和:348261

約数の個数: 24

約数和(自身を含む): 204765120

約数和(自身を除く): 114222980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 348239, 696478, 1392956, 1741195, 3482390, 4527107, 6964780, 9054214, 18108428, 22635535, 45271070, 90542140]

約数ペア:

[(1, 90542140), (2, 45271070), (4, 22635535), (5, 18108428), (10, 9054214), (13, 6964780), (20, 4527107), (26, 3482390), (52, 1741195), (65, 1392956), (130, 696478), (260, 348239)]