2912220280

素因数分解:

$2^3\times 5^1\times {\mathrm{72805507}}^1$

素因数の和:72805518

約数の個数: 16

約数和(自身を含む): 6552495720

約数和(自身を除く): 3640275440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72805507, 145611014, 291222028, 364027535, 582444056, 728055070, 1456110140, 2912220280]

約数ペア:

[(1, 2912220280), (2, 1456110140), (4, 728055070), (5, 582444056), (8, 364027535), (10, 291222028), (20, 145611014), (40, 72805507)]