51920360

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5431}}^1$

素因数の和:5681

約数の個数: 32

約数和(自身を含む): 117331200

約数和(自身を除く): 65410840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 5431, 9560, 10862, 21724, 27155, 43448, 54310, 108620, 217240, 1298009, 2596018, 5192036, 6490045, 10384072, 12980090, 25960180, 51920360]

約数ペア:

[(1, 51920360), (2, 25960180), (4, 12980090), (5, 10384072), (8, 6490045), (10, 5192036), (20, 2596018), (40, 1298009), (239, 217240), (478, 108620), (956, 54310), (1195, 43448), (1912, 27155), (2390, 21724), (4780, 10862), (5431, 9560)]