120005000

素因数分解:

$2^3\times 5^4\times {\mathrm{24001}}^1$

素因数の和:24027

約数の個数: 40

約数和(自身を含む): 281183430

約数和(自身を除く): 161178430

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 24001, 48002, 96004, 120005, 192008, 240010, 480020, 600025, 960040, 1200050, 2400100, 3000125, 4800200, 6000250, 12000500, 15000625, 24001000, 30001250, 60002500, 120005000]

約数ペア:

[(1, 120005000), (2, 60002500), (4, 30001250), (5, 24001000), (8, 15000625), (10, 12000500), (20, 6000250), (25, 4800200), (40, 3000125), (50, 2400100), (100, 1200050), (125, 960040), (200, 600025), (250, 480020), (500, 240010), (625, 192008), (1000, 120005), (1250, 96004), (2500, 48002), (5000, 24001)]