2912431960

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{720899}}^1$

素因数の和:721011

約数の個数: 32

約数和(自身を含む): 6617862000

約数和(自身を除く): 3705430040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 720899, 1441798, 2883596, 3604495, 5767192, 7208990, 14417980, 28835960, 72810799, 145621598, 291243196, 364053995, 582486392, 728107990, 1456215980, 2912431960]

約数ペア:

[(1, 2912431960), (2, 1456215980), (4, 728107990), (5, 582486392), (8, 364053995), (10, 291243196), (20, 145621598), (40, 72810799), (101, 28835960), (202, 14417980), (404, 7208990), (505, 5767192), (808, 3604495), (1010, 2883596), (2020, 1441798), (4040, 720899)]