25690480

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4793}}^1$

素因数の和:4873

約数の個数: 40

約数和(自身を含む): 60634512

約数和(自身を除く): 34944032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 4793, 5360, 9586, 19172, 23965, 38344, 47930, 76688, 95860, 191720, 321131, 383440, 642262, 1284524, 1605655, 2569048, 3211310, 5138096, 6422620, 12845240, 25690480]

約数ペア:

[(1, 25690480), (2, 12845240), (4, 6422620), (5, 5138096), (8, 3211310), (10, 2569048), (16, 1605655), (20, 1284524), (40, 642262), (67, 383440), (80, 321131), (134, 191720), (268, 95860), (335, 76688), (536, 47930), (670, 38344), (1072, 23965), (1340, 19172), (2680, 9586), (4793, 5360)]