13398320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{991}}^1$

素因数の和:1030

約数の個数: 60

約数和(自身を含む): 33765696

約数和(自身を除く): 20367376

約数列:

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

約数ペア:

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