55185580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89009}}^1$

素因数の和:89049

約数の個数: 24

約数和(自身を含む): 119629440

約数和(自身を除く): 64443860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 89009, 178018, 356036, 445045, 890090, 1780180, 2759279, 5518558, 11037116, 13796395, 27592790, 55185580]

約数ペア:

[(1, 55185580), (2, 27592790), (4, 13796395), (5, 11037116), (10, 5518558), (20, 2759279), (31, 1780180), (62, 890090), (124, 445045), (155, 356036), (310, 178018), (620, 89009)]