872411440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{641479}}^1$

素因数の和:641509

約数の個数: 40

約数和(自身を含む): 2147675040

約数和(自身を除く): 1275263600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 641479, 1282958, 2565916, 3207395, 5131832, 6414790, 10263664, 10905143, 12829580, 21810286, 25659160, 43620572, 51318320, 54525715, 87241144, 109051430, 174482288, 218102860, 436205720, 872411440]

約数ペア:

[(1, 872411440), (2, 436205720), (4, 218102860), (5, 174482288), (8, 109051430), (10, 87241144), (16, 54525715), (17, 51318320), (20, 43620572), (34, 25659160), (40, 21810286), (68, 12829580), (80, 10905143), (85, 10263664), (136, 6414790), (170, 5131832), (272, 3207395), (340, 2565916), (680, 1282958), (1360, 641479)]