26796640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{991}}^1$

素因数の和:1032

約数の個数: 72

約数和(自身を含む): 68620608

約数和(自身を除く): 41823968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 991, 1040, 1352, 1690, 1982, 2080, 2704, 3380, 3964, 4955, 5408, 6760, 7928, 9910, 12883, 13520, 15856, 19820, 25766, 27040, 31712, 39640, 51532, 64415, 79280, 103064, 128830, 158560, 167479, 206128, 257660, 334958, 412256, 515320, 669916, 837395, 1030640, 1339832, 1674790, 2061280, 2679664, 3349580, 5359328, 6699160, 13398320, 26796640]

約数ペア:

[(1, 26796640), (2, 13398320), (4, 6699160), (5, 5359328), (8, 3349580), (10, 2679664), (13, 2061280), (16, 1674790), (20, 1339832), (26, 1030640), (32, 837395), (40, 669916), (52, 515320), (65, 412256), (80, 334958), (104, 257660), (130, 206128), (160, 167479), (169, 158560), (208, 128830), (260, 103064), (338, 79280), (416, 64415), (520, 51532), (676, 39640), (845, 31712), (991, 27040), (1040, 25766), (1352, 19820), (1690, 15856), (1982, 13520), (2080, 12883), (2704, 9910), (3380, 7928), (3964, 6760), (4955, 5408)]