40909660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9787}}^1$

素因数の和:9826

約数の個数: 48

約数和(自身を含む): 98663040

約数和(自身を除く): 57753380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 9787, 19574, 39148, 48935, 97870, 107657, 185953, 195740, 215314, 371906, 430628, 538285, 743812, 929765, 1076570, 1859530, 2045483, 2153140, 3719060, 4090966, 8181932, 10227415, 20454830, 40909660]

約数ペア:

[(1, 40909660), (2, 20454830), (4, 10227415), (5, 8181932), (10, 4090966), (11, 3719060), (19, 2153140), (20, 2045483), (22, 1859530), (38, 1076570), (44, 929765), (55, 743812), (76, 538285), (95, 430628), (110, 371906), (190, 215314), (209, 195740), (220, 185953), (380, 107657), (418, 97870), (836, 48935), (1045, 39148), (2090, 19574), (4180, 9787)]