21854742080

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2203099}}^1$

素因数の和:2203147

約数の個数: 56

約数和(自身を含む): 53720390400

約数和(自身を除く): 31865648320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 2203099, 4406198, 8812396, 11015495, 17624792, 22030990, 35249584, 44061980, 68296069, 70499168, 88123960, 136592138, 140998336, 176247920, 273184276, 341480345, 352495840, 546368552, 682960690, 704991680, 1092737104, 1365921380, 2185474208, 2731842760, 4370948416, 5463685520, 10927371040, 21854742080]

約数ペア:

[(1, 21854742080), (2, 10927371040), (4, 5463685520), (5, 4370948416), (8, 2731842760), (10, 2185474208), (16, 1365921380), (20, 1092737104), (31, 704991680), (32, 682960690), (40, 546368552), (62, 352495840), (64, 341480345), (80, 273184276), (124, 176247920), (155, 140998336), (160, 136592138), (248, 88123960), (310, 70499168), (320, 68296069), (496, 44061980), (620, 35249584), (992, 22030990), (1240, 17624792), (1984, 11015495), (2480, 8812396), (4960, 4406198), (9920, 2203099)]