828123040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{304457}}^1$

素因数の和:304489

約数の個数: 48

約数和(自身を含む): 2071532232

約数和(自身を除く): 1243409192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 304457, 608914, 1217828, 1522285, 2435656, 3044570, 4871312, 5175769, 6089140, 9742624, 10351538, 12178280, 20703076, 24356560, 25878845, 41406152, 48713120, 51757690, 82812304, 103515380, 165624608, 207030760, 414061520, 828123040]

約数ペア:

[(1, 828123040), (2, 414061520), (4, 207030760), (5, 165624608), (8, 103515380), (10, 82812304), (16, 51757690), (17, 48713120), (20, 41406152), (32, 25878845), (34, 24356560), (40, 20703076), (68, 12178280), (80, 10351538), (85, 9742624), (136, 6089140), (160, 5175769), (170, 4871312), (272, 3044570), (340, 2435656), (544, 1522285), (680, 1217828), (1360, 608914), (2720, 304457)]