827147120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{599}}^1$

素因数の和:1074

約数の個数: 80

約数和(自身を含む): 1977998400

約数和(自身を除く): 1150851280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 421, 599, 656, 820, 842, 1198, 1640, 1684, 2105, 2396, 2995, 3280, 3368, 4210, 4792, 5990, 6736, 8420, 9584, 11980, 16840, 17261, 23960, 24559, 33680, 34522, 47920, 49118, 69044, 86305, 98236, 122795, 138088, 172610, 196472, 245590, 252179, 276176, 345220, 392944, 491180, 504358, 690440, 982360, 1008716, 1260895, 1380880, 1964720, 2017432, 2521790, 4034864, 5043580, 10087160, 10339339, 20174320, 20678678, 41357356, 51696695, 82714712, 103393390, 165429424, 206786780, 413573560, 827147120]

約数ペア:

[(1, 827147120), (2, 413573560), (4, 206786780), (5, 165429424), (8, 103393390), (10, 82714712), (16, 51696695), (20, 41357356), (40, 20678678), (41, 20174320), (80, 10339339), (82, 10087160), (164, 5043580), (205, 4034864), (328, 2521790), (410, 2017432), (421, 1964720), (599, 1380880), (656, 1260895), (820, 1008716), (842, 982360), (1198, 690440), (1640, 504358), (1684, 491180), (2105, 392944), (2396, 345220), (2995, 276176), (3280, 252179), (3368, 245590), (4210, 196472), (4792, 172610), (5990, 138088), (6736, 122795), (8420, 98236), (9584, 86305), (11980, 69044), (16840, 49118), (17261, 47920), (23960, 34522), (24559, 33680)]