25329320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^2$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 60657660

約数和(自身を除く): 35328340

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 193, 340, 386, 680, 772, 965, 1544, 1930, 3281, 3860, 6562, 7720, 13124, 16405, 26248, 32810, 37249, 65620, 74498, 131240, 148996, 186245, 297992, 372490, 633233, 744980, 1266466, 1489960, 2532932, 3166165, 5065864, 6332330, 12664660, 25329320]

約数ペア:

[(1, 25329320), (2, 12664660), (4, 6332330), (5, 5065864), (8, 3166165), (10, 2532932), (17, 1489960), (20, 1266466), (34, 744980), (40, 633233), (68, 372490), (85, 297992), (136, 186245), (170, 148996), (193, 131240), (340, 74498), (386, 65620), (680, 37249), (772, 32810), (965, 26248), (1544, 16405), (1930, 13124), (3281, 7720), (3860, 6562)]