39339820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 91125216

約数和(自身を除く): 51785396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 113, 130, 169, 206, 226, 260, 338, 412, 452, 515, 565, 676, 845, 1030, 1130, 1339, 1469, 1690, 2060, 2260, 2678, 2938, 3380, 5356, 5876, 6695, 7345, 11639, 13390, 14690, 17407, 19097, 23278, 26780, 29380, 34814, 38194, 46556, 58195, 69628, 76388, 87035, 95485, 116390, 151307, 174070, 190970, 232780, 302614, 348140, 381940, 605228, 756535, 1513070, 1966991, 3026140, 3933982, 7867964, 9834955, 19669910, 39339820]

約数ペア:

[(1, 39339820), (2, 19669910), (4, 9834955), (5, 7867964), (10, 3933982), (13, 3026140), (20, 1966991), (26, 1513070), (52, 756535), (65, 605228), (103, 381940), (113, 348140), (130, 302614), (169, 232780), (206, 190970), (226, 174070), (260, 151307), (338, 116390), (412, 95485), (452, 87035), (515, 76388), (565, 69628), (676, 58195), (845, 46556), (1030, 38194), (1130, 34814), (1339, 29380), (1469, 26780), (1690, 23278), (2060, 19097), (2260, 17407), (2678, 14690), (2938, 13390), (3380, 11639), (5356, 7345), (5876, 6695)]