40709020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9739}}^1$

素因数の和:9778

約数の個数: 48

約数和(自身を含む): 98179200

約数和(自身を除く): 57470180

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, 9739, 19478, 38956, 48695, 97390, 107129, 185041, 194780, 214258, 370082, 428516, 535645, 740164, 925205, 1071290, 1850410, 2035451, 2142580, 3700820, 4070902, 8141804, 10177255, 20354510, 40709020]

約数ペア:

[(1, 40709020), (2, 20354510), (4, 10177255), (5, 8141804), (10, 4070902), (11, 3700820), (19, 2142580), (20, 2035451), (22, 1850410), (38, 1071290), (44, 925205), (55, 740164), (76, 535645), (95, 428516), (110, 370082), (190, 214258), (209, 194780), (220, 185041), (380, 107129), (418, 97390), (836, 48695), (1045, 38956), (2090, 19478), (4180, 9739)]