2006185640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{68611}}^1$

素因数の和:68682

約数の個数: 64

約数和(自身を含む): 4890663360

約数和(自身を除く): 2884477720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2924, 3655, 5848, 7310, 14620, 29240, 68611, 137222, 274444, 343055, 548888, 686110, 1166387, 1372220, 2332774, 2744440, 2950273, 4665548, 5831935, 5900546, 9331096, 11663870, 11801092, 14751365, 23327740, 23602184, 29502730, 46655480, 50154641, 59005460, 100309282, 118010920, 200618564, 250773205, 401237128, 501546410, 1003092820, 2006185640]

約数ペア:

[(1, 2006185640), (2, 1003092820), (4, 501546410), (5, 401237128), (8, 250773205), (10, 200618564), (17, 118010920), (20, 100309282), (34, 59005460), (40, 50154641), (43, 46655480), (68, 29502730), (85, 23602184), (86, 23327740), (136, 14751365), (170, 11801092), (172, 11663870), (215, 9331096), (340, 5900546), (344, 5831935), (430, 4665548), (680, 2950273), (731, 2744440), (860, 2332774), (1462, 1372220), (1720, 1166387), (2924, 686110), (3655, 548888), (5848, 343055), (7310, 274444), (14620, 137222), (29240, 68611)]