12993440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 72

約数和(自身を含む): 32724972

約数和(自身を除く): 19731532

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 281, 289, 340, 544, 562, 578, 680, 1124, 1156, 1360, 1405, 1445, 2248, 2312, 2720, 2810, 2890, 4496, 4624, 4777, 5620, 5780, 8992, 9248, 9554, 11240, 11560, 19108, 22480, 23120, 23885, 38216, 44960, 46240, 47770, 76432, 81209, 95540, 152864, 162418, 191080, 324836, 382160, 406045, 649672, 764320, 812090, 1299344, 1624180, 2598688, 3248360, 6496720, 12993440]

約数ペア:

[(1, 12993440), (2, 6496720), (4, 3248360), (5, 2598688), (8, 1624180), (10, 1299344), (16, 812090), (17, 764320), (20, 649672), (32, 406045), (34, 382160), (40, 324836), (68, 191080), (80, 162418), (85, 152864), (136, 95540), (160, 81209), (170, 76432), (272, 47770), (281, 46240), (289, 44960), (340, 38216), (544, 23885), (562, 23120), (578, 22480), (680, 19108), (1124, 11560), (1156, 11240), (1360, 9554), (1405, 9248), (1445, 8992), (2248, 5780), (2312, 5620), (2720, 4777), (2810, 4624), (2890, 4496)]