25066700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 58329600

約数和(自身を除く): 33262900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 79, 95, 100, 158, 167, 190, 316, 334, 380, 395, 475, 668, 790, 835, 950, 1501, 1580, 1670, 1900, 1975, 3002, 3173, 3340, 3950, 4175, 6004, 6346, 7505, 7900, 8350, 12692, 13193, 15010, 15865, 16700, 26386, 30020, 31730, 37525, 52772, 63460, 65965, 75050, 79325, 131930, 150100, 158650, 250667, 263860, 317300, 329825, 501334, 659650, 1002668, 1253335, 1319300, 2506670, 5013340, 6266675, 12533350, 25066700]

約数ペア:

[(1, 25066700), (2, 12533350), (4, 6266675), (5, 5013340), (10, 2506670), (19, 1319300), (20, 1253335), (25, 1002668), (38, 659650), (50, 501334), (76, 329825), (79, 317300), (95, 263860), (100, 250667), (158, 158650), (167, 150100), (190, 131930), (316, 79325), (334, 75050), (380, 65965), (395, 63460), (475, 52772), (668, 37525), (790, 31730), (835, 30020), (950, 26386), (1501, 16700), (1580, 15865), (1670, 15010), (1900, 13193), (1975, 12692), (3002, 8350), (3173, 7900), (3340, 7505), (3950, 6346), (4175, 6004)]