72905990

素因数分解:

$2^1\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{5519}}^1$

素因数の和:6847

約数の個数: 16

約数和(自身を含む): 131353920

約数和(自身を除く): 58447930

約数列:

[1, 2, 5, 10, 1321, 2642, 5519, 6605, 11038, 13210, 27595, 55190, 7290599, 14581198, 36452995, 72905990]

約数ペア:

[(1, 72905990), (2, 36452995), (5, 14581198), (10, 7290599), (1321, 55190), (2642, 27595), (5519, 13210), (6605, 11038)]