27946640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20549}}^1$

素因数の和:20579

約数の個数: 40

約数和(自身を含む): 68801400

約数和(自身を除く): 40854760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 20549, 41098, 82196, 102745, 164392, 205490, 328784, 349333, 410980, 698666, 821960, 1397332, 1643920, 1746665, 2794664, 3493330, 5589328, 6986660, 13973320, 27946640]

約数ペア:

[(1, 27946640), (2, 13973320), (4, 6986660), (5, 5589328), (8, 3493330), (10, 2794664), (16, 1746665), (17, 1643920), (20, 1397332), (34, 821960), (40, 698666), (68, 410980), (80, 349333), (85, 328784), (136, 205490), (170, 164392), (272, 102745), (340, 82196), (680, 41098), (1360, 20549)]