12306640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9049}}^1$

素因数の和:9079

約数の個数: 40

約数和(自身を含む): 30299400

約数和(自身を除く): 17992760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9049, 18098, 36196, 45245, 72392, 90490, 144784, 153833, 180980, 307666, 361960, 615332, 723920, 769165, 1230664, 1538330, 2461328, 3076660, 6153320, 12306640]

約数ペア:

[(1, 12306640), (2, 6153320), (4, 3076660), (5, 2461328), (8, 1538330), (10, 1230664), (16, 769165), (17, 723920), (20, 615332), (34, 361960), (40, 307666), (68, 180980), (80, 153833), (85, 144784), (136, 90490), (170, 72392), (272, 45245), (340, 36196), (680, 18098), (1360, 9049)]