203065460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{781021}}^1$

素因数の和:781043

約数の個数: 24

約数和(自身を含む): 459240936

約数和(自身を除く): 256175476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 781021, 1562042, 3124084, 3905105, 7810210, 10153273, 15620420, 20306546, 40613092, 50766365, 101532730, 203065460]

約数ペア:

[(1, 203065460), (2, 101532730), (4, 50766365), (5, 40613092), (10, 20306546), (13, 15620420), (20, 10153273), (26, 7810210), (52, 3905105), (65, 3124084), (130, 1562042), (260, 781021)]