8216720

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{379}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 19224960

約数和(自身を除く): 11008240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 379, 542, 758, 1084, 1355, 1516, 1895, 2168, 2710, 3032, 3790, 4336, 5420, 6064, 7580, 10840, 15160, 21680, 30320, 102709, 205418, 410836, 513545, 821672, 1027090, 1643344, 2054180, 4108360, 8216720]

約数ペア:

[(1, 8216720), (2, 4108360), (4, 2054180), (5, 1643344), (8, 1027090), (10, 821672), (16, 513545), (20, 410836), (40, 205418), (80, 102709), (271, 30320), (379, 21680), (542, 15160), (758, 10840), (1084, 7580), (1355, 6064), (1516, 5420), (1895, 4336), (2168, 3790), (2710, 3032)]