3312500

素因数分解:

$2^2\times 5^6\times {\mathrm{53}}^1$

素因数の和:87

約数の個数: 42

約数和(自身を含む): 7382718

約数和(自身を除く): 4070218

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 500, 530, 625, 1060, 1250, 1325, 2500, 2650, 3125, 5300, 6250, 6625, 12500, 13250, 15625, 26500, 31250, 33125, 62500, 66250, 132500, 165625, 331250, 662500, 828125, 1656250, 3312500]

約数ペア:

[(1, 3312500), (2, 1656250), (4, 828125), (5, 662500), (10, 331250), (20, 165625), (25, 132500), (50, 66250), (53, 62500), (100, 33125), (106, 31250), (125, 26500), (212, 15625), (250, 13250), (265, 12500), (500, 6625), (530, 6250), (625, 5300), (1060, 3125), (1250, 2650), (1325, 2500)]