8369440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:230

約数の個数: 72

約数和(自身を含む): 21120372

約数和(自身を除く): 12750932

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 181, 272, 289, 340, 362, 544, 578, 680, 724, 905, 1156, 1360, 1445, 1448, 1810, 2312, 2720, 2890, 2896, 3077, 3620, 4624, 5780, 5792, 6154, 7240, 9248, 11560, 12308, 14480, 15385, 23120, 24616, 28960, 30770, 46240, 49232, 52309, 61540, 98464, 104618, 123080, 209236, 246160, 261545, 418472, 492320, 523090, 836944, 1046180, 1673888, 2092360, 4184720, 8369440]

約数ペア:

[(1, 8369440), (2, 4184720), (4, 2092360), (5, 1673888), (8, 1046180), (10, 836944), (16, 523090), (17, 492320), (20, 418472), (32, 261545), (34, 246160), (40, 209236), (68, 123080), (80, 104618), (85, 98464), (136, 61540), (160, 52309), (170, 49232), (181, 46240), (272, 30770), (289, 28960), (340, 24616), (362, 23120), (544, 15385), (578, 14480), (680, 12308), (724, 11560), (905, 9248), (1156, 7240), (1360, 6154), (1445, 5792), (1448, 5780), (1810, 4624), (2312, 3620), (2720, 3077), (2890, 2896)]