16488280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13297}}^1$

素因数の和:13339

約数の個数: 32

約数和(自身を含む): 38298240

約数和(自身を除く): 21809960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13297, 26594, 53188, 66485, 106376, 132970, 265940, 412207, 531880, 824414, 1648828, 2061035, 3297656, 4122070, 8244140, 16488280]

約数ペア:

[(1, 16488280), (2, 8244140), (4, 4122070), (5, 3297656), (8, 2061035), (10, 1648828), (20, 824414), (31, 531880), (40, 412207), (62, 265940), (124, 132970), (155, 106376), (248, 66485), (310, 53188), (620, 26594), (1240, 13297)]