13625840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 34471008

約数和(自身を除く): 20845168

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 233, 272, 340, 344, 430, 466, 680, 688, 731, 860, 932, 1165, 1360, 1462, 1720, 1864, 2330, 2924, 3440, 3655, 3728, 3961, 4660, 5848, 7310, 7922, 9320, 10019, 11696, 14620, 15844, 18640, 19805, 20038, 29240, 31688, 39610, 40076, 50095, 58480, 63376, 79220, 80152, 100190, 158440, 160304, 170323, 200380, 316880, 340646, 400760, 681292, 801520, 851615, 1362584, 1703230, 2725168, 3406460, 6812920, 13625840]

約数ペア:

[(1, 13625840), (2, 6812920), (4, 3406460), (5, 2725168), (8, 1703230), (10, 1362584), (16, 851615), (17, 801520), (20, 681292), (34, 400760), (40, 340646), (43, 316880), (68, 200380), (80, 170323), (85, 160304), (86, 158440), (136, 100190), (170, 80152), (172, 79220), (215, 63376), (233, 58480), (272, 50095), (340, 40076), (344, 39610), (430, 31688), (466, 29240), (680, 20038), (688, 19805), (731, 18640), (860, 15844), (932, 14620), (1165, 11696), (1360, 10019), (1462, 9320), (1720, 7922), (1864, 7310), (2330, 5848), (2924, 4660), (3440, 3961), (3655, 3728)]