28621280

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4363}}^1$

素因数の和:4419

約数の個数: 48

約数和(自身を含む): 69282864

約数和(自身を除く): 40661584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 4363, 6560, 8726, 17452, 21815, 34904, 43630, 69808, 87260, 139616, 174520, 178883, 349040, 357766, 698080, 715532, 894415, 1431064, 1788830, 2862128, 3577660, 5724256, 7155320, 14310640, 28621280]

約数ペア:

[(1, 28621280), (2, 14310640), (4, 7155320), (5, 5724256), (8, 3577660), (10, 2862128), (16, 1788830), (20, 1431064), (32, 894415), (40, 715532), (41, 698080), (80, 357766), (82, 349040), (160, 178883), (164, 174520), (205, 139616), (328, 87260), (410, 69808), (656, 43630), (820, 34904), (1312, 21815), (1640, 17452), (3280, 8726), (4363, 6560)]