15850000

素因数分解:

$2^4\times 5^5\times {\mathrm{317}}^1$

素因数の和:350

約数の個数: 60

約数和(自身を含む): 38505348

約数和(自身を除く): 22655348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 317, 400, 500, 625, 634, 1000, 1250, 1268, 1585, 2000, 2500, 2536, 3125, 3170, 5000, 5072, 6250, 6340, 7925, 10000, 12500, 12680, 15850, 25000, 25360, 31700, 39625, 50000, 63400, 79250, 126800, 158500, 198125, 317000, 396250, 634000, 792500, 990625, 1585000, 1981250, 3170000, 3962500, 7925000, 15850000]

約数ペア:

[(1, 15850000), (2, 7925000), (4, 3962500), (5, 3170000), (8, 1981250), (10, 1585000), (16, 990625), (20, 792500), (25, 634000), (40, 396250), (50, 317000), (80, 198125), (100, 158500), (125, 126800), (200, 79250), (250, 63400), (317, 50000), (400, 39625), (500, 31700), (625, 25360), (634, 25000), (1000, 15850), (1250, 12680), (1268, 12500), (1585, 10000), (2000, 7925), (2500, 6340), (2536, 6250), (3125, 5072), (3170, 5000)]