2457583280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{990961}}^1$

素因数の和:991005

約数の個数: 40

約数和(自身を含む): 5898205824

約数和(自身を除く): 3440622544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 990961, 1981922, 3963844, 4954805, 7927688, 9909610, 15855376, 19819220, 30719791, 39638440, 61439582, 79276880, 122879164, 153598955, 245758328, 307197910, 491516656, 614395820, 1228791640, 2457583280]

約数ペア:

[(1, 2457583280), (2, 1228791640), (4, 614395820), (5, 491516656), (8, 307197910), (10, 245758328), (16, 153598955), (20, 122879164), (31, 79276880), (40, 61439582), (62, 39638440), (80, 30719791), (124, 19819220), (155, 15855376), (248, 9909610), (310, 7927688), (496, 4954805), (620, 3963844), (1240, 1981922), (2480, 990961)]