25783900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:583

約数の個数: 72

約数和(自身を含む): 61402320

約数和(自身を除く): 35618420

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 29, 34, 50, 58, 68, 85, 100, 116, 145, 170, 290, 340, 425, 493, 523, 580, 725, 850, 986, 1046, 1450, 1700, 1972, 2092, 2465, 2615, 2900, 4930, 5230, 8891, 9860, 10460, 12325, 13075, 15167, 17782, 24650, 26150, 30334, 35564, 44455, 49300, 52300, 60668, 75835, 88910, 151670, 177820, 222275, 257839, 303340, 379175, 444550, 515678, 758350, 889100, 1031356, 1289195, 1516700, 2578390, 5156780, 6445975, 12891950, 25783900]

約数ペア:

[(1, 25783900), (2, 12891950), (4, 6445975), (5, 5156780), (10, 2578390), (17, 1516700), (20, 1289195), (25, 1031356), (29, 889100), (34, 758350), (50, 515678), (58, 444550), (68, 379175), (85, 303340), (100, 257839), (116, 222275), (145, 177820), (170, 151670), (290, 88910), (340, 75835), (425, 60668), (493, 52300), (523, 49300), (580, 44455), (725, 35564), (850, 30334), (986, 26150), (1046, 24650), (1450, 17782), (1700, 15167), (1972, 13075), (2092, 12325), (2465, 10460), (2615, 9860), (2900, 8891), (4930, 5230)]