101945000

素因数分解:

$2^3\times 5^4\times {\mathrm{20389}}^1$

素因数の和:20415

約数の個数: 40

約数和(自身を含む): 238868850

約数和(自身を除く): 136923850

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 20389, 40778, 81556, 101945, 163112, 203890, 407780, 509725, 815560, 1019450, 2038900, 2548625, 4077800, 5097250, 10194500, 12743125, 20389000, 25486250, 50972500, 101945000]

約数ペア:

[(1, 101945000), (2, 50972500), (4, 25486250), (5, 20389000), (8, 12743125), (10, 10194500), (20, 5097250), (25, 4077800), (40, 2548625), (50, 2038900), (100, 1019450), (125, 815560), (200, 509725), (250, 407780), (500, 203890), (625, 163112), (1000, 101945), (1250, 81556), (2500, 40778), (5000, 20389)]