2106640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1549}}^1$

素因数の和:1579

約数の個数: 40

約数和(自身を含む): 5189400

約数和(自身を除く): 3082760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1549, 3098, 6196, 7745, 12392, 15490, 24784, 26333, 30980, 52666, 61960, 105332, 123920, 131665, 210664, 263330, 421328, 526660, 1053320, 2106640]

約数ペア:

[(1, 2106640), (2, 1053320), (4, 526660), (5, 421328), (8, 263330), (10, 210664), (16, 131665), (17, 123920), (20, 105332), (34, 61960), (40, 52666), (68, 30980), (80, 26333), (85, 24784), (136, 15490), (170, 12392), (272, 7745), (340, 6196), (680, 3098), (1360, 1549)]