1031130440

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{129539}}^1$

素因数の和:129749

約数の個数: 32

約数和(自身を含む): 2331720000

約数和(自身を除く): 1300589560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 129539, 259078, 518156, 647695, 1036312, 1295390, 2590780, 5181560, 25778261, 51556522, 103113044, 128891305, 206226088, 257782610, 515565220, 1031130440]

約数ペア:

[(1, 1031130440), (2, 515565220), (4, 257782610), (5, 206226088), (8, 128891305), (10, 103113044), (20, 51556522), (40, 25778261), (199, 5181560), (398, 2590780), (796, 1295390), (995, 1036312), (1592, 647695), (1990, 518156), (3980, 259078), (7960, 129539)]