65998280

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 152530560

約数和(自身を除く): 86532280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 103, 166, 193, 206, 332, 386, 412, 415, 515, 664, 772, 824, 830, 965, 1030, 1544, 1660, 1930, 2060, 3320, 3860, 4120, 7720, 8549, 16019, 17098, 19879, 32038, 34196, 39758, 42745, 64076, 68392, 79516, 80095, 85490, 99395, 128152, 159032, 160190, 170980, 198790, 320380, 341960, 397580, 640760, 795160, 1649957, 3299914, 6599828, 8249785, 13199656, 16499570, 32999140, 65998280]

約数ペア:

[(1, 65998280), (2, 32999140), (4, 16499570), (5, 13199656), (8, 8249785), (10, 6599828), (20, 3299914), (40, 1649957), (83, 795160), (103, 640760), (166, 397580), (193, 341960), (206, 320380), (332, 198790), (386, 170980), (412, 160190), (415, 159032), (515, 128152), (664, 99395), (772, 85490), (824, 80095), (830, 79516), (965, 68392), (1030, 64076), (1544, 42745), (1660, 39758), (1930, 34196), (2060, 32038), (3320, 19879), (3860, 17098), (4120, 16019), (7720, 8549)]