54882490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2689}}^1$

素因数の和:2866

約数の個数: 32

約数和(自身を含む): 107105040

約数和(自身を除く): 52222550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 2041, 2689, 4082, 5378, 10205, 13445, 20410, 26890, 34957, 69914, 174785, 349570, 422173, 844346, 2110865, 4221730, 5488249, 10976498, 27441245, 54882490]

約数ペア:

[(1, 54882490), (2, 27441245), (5, 10976498), (10, 5488249), (13, 4221730), (26, 2110865), (65, 844346), (130, 422173), (157, 349570), (314, 174785), (785, 69914), (1570, 34957), (2041, 26890), (2689, 20410), (4082, 13445), (5378, 10205)]