2912404280

素因数分解:

$2^3\times 5^1\times {\mathrm{72810107}}^1$

素因数の和:72810118

約数の個数: 16

約数和(自身を含む): 6552909720

約数和(自身を除く): 3640505440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72810107, 145620214, 291240428, 364050535, 582480856, 728101070, 1456202140, 2912404280]

約数ペア:

[(1, 2912404280), (2, 1456202140), (4, 728101070), (5, 582480856), (8, 364050535), (10, 291240428), (20, 145620214), (40, 72810107)]