40472660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1459}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 90753600

約数和(自身を除く): 50280940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1459, 1460, 2774, 2918, 5548, 5836, 6935, 7295, 13870, 14590, 27721, 27740, 29180, 55442, 106507, 110884, 138605, 213014, 277210, 426028, 532535, 554420, 1065070, 2023633, 2130140, 4047266, 8094532, 10118165, 20236330, 40472660]

約数ペア:

[(1, 40472660), (2, 20236330), (4, 10118165), (5, 8094532), (10, 4047266), (19, 2130140), (20, 2023633), (38, 1065070), (73, 554420), (76, 532535), (95, 426028), (146, 277210), (190, 213014), (292, 138605), (365, 110884), (380, 106507), (730, 55442), (1387, 29180), (1459, 27740), (1460, 27721), (2774, 14590), (2918, 13870), (5548, 7295), (5836, 6935)]