13497640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 33158160

約数和(自身を除く): 19660520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 257, 260, 404, 505, 514, 520, 808, 1010, 1028, 1285, 1313, 2020, 2056, 2570, 2626, 3341, 4040, 5140, 5252, 6565, 6682, 10280, 10504, 13130, 13364, 16705, 25957, 26260, 26728, 33410, 51914, 52520, 66820, 103828, 129785, 133640, 207656, 259570, 337441, 519140, 674882, 1038280, 1349764, 1687205, 2699528, 3374410, 6748820, 13497640]

約数ペア:

[(1, 13497640), (2, 6748820), (4, 3374410), (5, 2699528), (8, 1687205), (10, 1349764), (13, 1038280), (20, 674882), (26, 519140), (40, 337441), (52, 259570), (65, 207656), (101, 133640), (104, 129785), (130, 103828), (202, 66820), (257, 52520), (260, 51914), (404, 33410), (505, 26728), (514, 26260), (520, 25957), (808, 16705), (1010, 13364), (1028, 13130), (1285, 10504), (1313, 10280), (2020, 6682), (2056, 6565), (2570, 5252), (2626, 5140), (3341, 4040)]