80243440

素因数分解:

$2^4\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1033}}^1$

素因数の和:2017

約数の個数: 40

約数和(自身を含む): 186938928

約数和(自身を除く): 106695488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 971, 1033, 1942, 2066, 3884, 4132, 4855, 5165, 7768, 8264, 9710, 10330, 15536, 16528, 19420, 20660, 38840, 41320, 77680, 82640, 1003043, 2006086, 4012172, 5015215, 8024344, 10030430, 16048688, 20060860, 40121720, 80243440]

約数ペア:

[(1, 80243440), (2, 40121720), (4, 20060860), (5, 16048688), (8, 10030430), (10, 8024344), (16, 5015215), (20, 4012172), (40, 2006086), (80, 1003043), (971, 82640), (1033, 77680), (1942, 41320), (2066, 38840), (3884, 20660), (4132, 19420), (4855, 16528), (5165, 15536), (7768, 10330), (8264, 9710)]