16431160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 38918880

約数和(自身を除く): 22487720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 233, 328, 344, 410, 430, 466, 820, 860, 932, 1165, 1640, 1720, 1763, 1864, 2330, 3526, 4660, 7052, 8815, 9320, 9553, 10019, 14104, 17630, 19106, 20038, 35260, 38212, 40076, 47765, 50095, 70520, 76424, 80152, 95530, 100190, 191060, 200380, 382120, 400760, 410779, 821558, 1643116, 2053895, 3286232, 4107790, 8215580, 16431160]

約数ペア:

[(1, 16431160), (2, 8215580), (4, 4107790), (5, 3286232), (8, 2053895), (10, 1643116), (20, 821558), (40, 410779), (41, 400760), (43, 382120), (82, 200380), (86, 191060), (164, 100190), (172, 95530), (205, 80152), (215, 76424), (233, 70520), (328, 50095), (344, 47765), (410, 40076), (430, 38212), (466, 35260), (820, 20038), (860, 19106), (932, 17630), (1165, 14104), (1640, 10019), (1720, 9553), (1763, 9320), (1864, 8815), (2330, 7052), (3526, 4660)]