26457100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 61871040

約数和(自身を除く): 35413940

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 79, 85, 100, 158, 170, 197, 316, 340, 394, 395, 425, 788, 790, 850, 985, 1343, 1580, 1700, 1970, 1975, 2686, 3349, 3940, 3950, 4925, 5372, 6698, 6715, 7900, 9850, 13396, 13430, 15563, 16745, 19700, 26860, 31126, 33490, 33575, 62252, 66980, 67150, 77815, 83725, 134300, 155630, 167450, 264571, 311260, 334900, 389075, 529142, 778150, 1058284, 1322855, 1556300, 2645710, 5291420, 6614275, 13228550, 26457100]

約数ペア:

[(1, 26457100), (2, 13228550), (4, 6614275), (5, 5291420), (10, 2645710), (17, 1556300), (20, 1322855), (25, 1058284), (34, 778150), (50, 529142), (68, 389075), (79, 334900), (85, 311260), (100, 264571), (158, 167450), (170, 155630), (197, 134300), (316, 83725), (340, 77815), (394, 67150), (395, 66980), (425, 62252), (788, 33575), (790, 33490), (850, 31126), (985, 26860), (1343, 19700), (1580, 16745), (1700, 15563), (1970, 13430), (1975, 13396), (2686, 9850), (3349, 7900), (3940, 6715), (3950, 6698), (4925, 5372)]