1284992080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{226231}}^1$

素因数の和:226315

約数の個数: 40

約数和(自身を含む): 3029698944

約数和(自身を除く): 1744706864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 226231, 452462, 904924, 1131155, 1809848, 2262310, 3619696, 4524620, 9049240, 16062401, 18098480, 32124802, 64249604, 80312005, 128499208, 160624010, 256998416, 321248020, 642496040, 1284992080]

約数ペア:

[(1, 1284992080), (2, 642496040), (4, 321248020), (5, 256998416), (8, 160624010), (10, 128499208), (16, 80312005), (20, 64249604), (40, 32124802), (71, 18098480), (80, 16062401), (142, 9049240), (284, 4524620), (355, 3619696), (568, 2262310), (710, 1809848), (1136, 1131155), (1420, 904924), (2840, 452462), (5680, 226231)]