16541720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2447}}^1$

素因数の和:2484

約数の個数: 48

約数和(自身を含む): 40318560

約数和(自身を除く): 23776840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2447, 3380, 4894, 6760, 9788, 12235, 19576, 24470, 31811, 48940, 63622, 97880, 127244, 159055, 254488, 318110, 413543, 636220, 827086, 1272440, 1654172, 2067715, 3308344, 4135430, 8270860, 16541720]

約数ペア:

[(1, 16541720), (2, 8270860), (4, 4135430), (5, 3308344), (8, 2067715), (10, 1654172), (13, 1272440), (20, 827086), (26, 636220), (40, 413543), (52, 318110), (65, 254488), (104, 159055), (130, 127244), (169, 97880), (260, 63622), (338, 48940), (520, 31811), (676, 24470), (845, 19576), (1352, 12235), (1690, 9788), (2447, 6760), (3380, 4894)]