71676620

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{5591}}^1$

素因数の和:6241

約数の個数: 24

約数和(自身を含む): 150782688

約数和(自身を除く): 79106068

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 5591, 6410, 11182, 12820, 22364, 27955, 55910, 111820, 3583831, 7167662, 14335324, 17919155, 35838310, 71676620]

約数ペア:

[(1, 71676620), (2, 35838310), (4, 17919155), (5, 14335324), (10, 7167662), (20, 3583831), (641, 111820), (1282, 55910), (2564, 27955), (3205, 22364), (5591, 12820), (6410, 11182)]