209109160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{402133}}^1$

素因数の和:402157

約数の個数: 32

約数和(自身を含む): 506688840

約数和(自身を除く): 297579680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 402133, 804266, 1608532, 2010665, 3217064, 4021330, 5227729, 8042660, 10455458, 16085320, 20910916, 26138645, 41821832, 52277290, 104554580, 209109160]

約数ペア:

[(1, 209109160), (2, 104554580), (4, 52277290), (5, 41821832), (8, 26138645), (10, 20910916), (13, 16085320), (20, 10455458), (26, 8042660), (40, 5227729), (52, 4021330), (65, 3217064), (104, 2010665), (130, 1608532), (260, 804266), (520, 402133)]