81772010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{9157}}^1$

素因数の和:9230

約数の個数: 32

約数和(自身を含む): 158250240

約数和(自身を除く): 76478230

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 8930, 9157, 18314, 45785, 91570, 173983, 347966, 430379, 860758, 869915, 1739830, 2151895, 4303790, 8177201, 16354402, 40886005, 81772010]

約数ペア:

[(1, 81772010), (2, 40886005), (5, 16354402), (10, 8177201), (19, 4303790), (38, 2151895), (47, 1739830), (94, 869915), (95, 860758), (190, 430379), (235, 347966), (470, 173983), (893, 91570), (1786, 45785), (4465, 18314), (8930, 9157)]