201682840

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{7793}}^1$

素因数の和:8451

約数の個数: 32

約数和(自身を含む): 454546080

約数和(自身を除く): 252863240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 5176, 6470, 7793, 12940, 15586, 25880, 31172, 38965, 62344, 77930, 155860, 311720, 5042071, 10084142, 20168284, 25210355, 40336568, 50420710, 100841420, 201682840]

約数ペア:

[(1, 201682840), (2, 100841420), (4, 50420710), (5, 40336568), (8, 25210355), (10, 20168284), (20, 10084142), (40, 5042071), (647, 311720), (1294, 155860), (2588, 77930), (3235, 62344), (5176, 38965), (6470, 31172), (7793, 25880), (12940, 15586)]