17896840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 43868160

約数和(自身を除く): 25971320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 271, 508, 520, 542, 635, 1016, 1084, 1270, 1355, 1651, 2168, 2540, 2710, 3302, 3523, 5080, 5420, 6604, 7046, 8255, 10840, 13208, 14092, 16510, 17615, 28184, 33020, 34417, 35230, 66040, 68834, 70460, 137668, 140920, 172085, 275336, 344170, 447421, 688340, 894842, 1376680, 1789684, 2237105, 3579368, 4474210, 8948420, 17896840]

約数ペア:

[(1, 17896840), (2, 8948420), (4, 4474210), (5, 3579368), (8, 2237105), (10, 1789684), (13, 1376680), (20, 894842), (26, 688340), (40, 447421), (52, 344170), (65, 275336), (104, 172085), (127, 140920), (130, 137668), (254, 70460), (260, 68834), (271, 66040), (508, 35230), (520, 34417), (542, 33020), (635, 28184), (1016, 17615), (1084, 16510), (1270, 14092), (1355, 13208), (1651, 10840), (2168, 8255), (2540, 7046), (2710, 6604), (3302, 5420), (3523, 5080)]