8202500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:234

約数の個数: 60

約数和(自身を含む): 19090764

約数和(自身を除く): 10888264

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 193, 250, 340, 386, 425, 500, 625, 772, 850, 965, 1250, 1700, 1930, 2125, 2500, 3281, 3860, 4250, 4825, 6562, 8500, 9650, 10625, 13124, 16405, 19300, 21250, 24125, 32810, 42500, 48250, 65620, 82025, 96500, 120625, 164050, 241250, 328100, 410125, 482500, 820250, 1640500, 2050625, 4101250, 8202500]

約数ペア:

[(1, 8202500), (2, 4101250), (4, 2050625), (5, 1640500), (10, 820250), (17, 482500), (20, 410125), (25, 328100), (34, 241250), (50, 164050), (68, 120625), (85, 96500), (100, 82025), (125, 65620), (170, 48250), (193, 42500), (250, 32810), (340, 24125), (386, 21250), (425, 19300), (500, 16405), (625, 13124), (772, 10625), (850, 9650), (965, 8500), (1250, 6562), (1700, 4825), (1930, 4250), (2125, 3860), (2500, 3281)]