25589980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 59581872

約数和(自身を除く): 33991892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 113, 130, 134, 169, 226, 260, 268, 335, 338, 452, 565, 670, 676, 845, 871, 1130, 1340, 1469, 1690, 1742, 2260, 2938, 3380, 3484, 4355, 5876, 7345, 7571, 8710, 11323, 14690, 15142, 17420, 19097, 22646, 29380, 30284, 37855, 38194, 45292, 56615, 75710, 76388, 95485, 98423, 113230, 151420, 190970, 196846, 226460, 381940, 393692, 492115, 984230, 1279499, 1968460, 2558998, 5117996, 6397495, 12794990, 25589980]

約数ペア:

[(1, 25589980), (2, 12794990), (4, 6397495), (5, 5117996), (10, 2558998), (13, 1968460), (20, 1279499), (26, 984230), (52, 492115), (65, 393692), (67, 381940), (113, 226460), (130, 196846), (134, 190970), (169, 151420), (226, 113230), (260, 98423), (268, 95485), (335, 76388), (338, 75710), (452, 56615), (565, 45292), (670, 38194), (676, 37855), (845, 30284), (871, 29380), (1130, 22646), (1340, 19097), (1469, 17420), (1690, 15142), (1742, 14690), (2260, 11323), (2938, 8710), (3380, 7571), (3484, 7345), (4355, 5876)]