13850720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6659}}^1$

素因数の和:6687

約数の個数: 48

約数和(自身を含む): 35244720

約数和(自身を除く): 21394000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 6659, 13318, 26636, 33295, 53272, 66590, 86567, 106544, 133180, 173134, 213088, 266360, 346268, 432835, 532720, 692536, 865670, 1065440, 1385072, 1731340, 2770144, 3462680, 6925360, 13850720]

約数ペア:

[(1, 13850720), (2, 6925360), (4, 3462680), (5, 2770144), (8, 1731340), (10, 1385072), (13, 1065440), (16, 865670), (20, 692536), (26, 532720), (32, 432835), (40, 346268), (52, 266360), (65, 213088), (80, 173134), (104, 133180), (130, 106544), (160, 86567), (208, 66590), (260, 53272), (416, 33295), (520, 26636), (1040, 13318), (2080, 6659)]