39965380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3137}}^1$

素因数の和:3173

約数の個数: 72

約数和(自身を含む): 105173208

約数和(自身を除く): 65207828

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3137, 3185, 6274, 6370, 12548, 12740, 15685, 21959, 31370, 40781, 43918, 62740, 81562, 87836, 109795, 153713, 163124, 203905, 219590, 285467, 307426, 407810, 439180, 570934, 614852, 768565, 815620, 1141868, 1427335, 1537130, 1998269, 2854670, 3074260, 3996538, 5709340, 7993076, 9991345, 19982690, 39965380]

約数ペア:

[(1, 39965380), (2, 19982690), (4, 9991345), (5, 7993076), (7, 5709340), (10, 3996538), (13, 3074260), (14, 2854670), (20, 1998269), (26, 1537130), (28, 1427335), (35, 1141868), (49, 815620), (52, 768565), (65, 614852), (70, 570934), (91, 439180), (98, 407810), (130, 307426), (140, 285467), (182, 219590), (196, 203905), (245, 163124), (260, 153713), (364, 109795), (455, 87836), (490, 81562), (637, 62740), (910, 43918), (980, 40781), (1274, 31370), (1820, 21959), (2548, 15685), (3137, 12740), (3185, 12548), (6274, 6370)]