16001620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 35562240

約数和(自身を除く): 19560620

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 587, 940, 1174, 1363, 2348, 2726, 2935, 5452, 5870, 6815, 11740, 13630, 17023, 27260, 27589, 34046, 55178, 68092, 85115, 110356, 137945, 170230, 275890, 340460, 551780, 800081, 1600162, 3200324, 4000405, 8000810, 16001620]

約数ペア:

[(1, 16001620), (2, 8000810), (4, 4000405), (5, 3200324), (10, 1600162), (20, 800081), (29, 551780), (47, 340460), (58, 275890), (94, 170230), (116, 137945), (145, 110356), (188, 85115), (235, 68092), (290, 55178), (470, 34046), (580, 27589), (587, 27260), (940, 17023), (1174, 13630), (1363, 11740), (2348, 6815), (2726, 5870), (2935, 5452)]