13250000

素因数分解:

$2^4\times 5^6\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 70

約数和(自身を含む): 32694894

約数和(自身を除く): 19444894

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 125, 200, 212, 250, 265, 400, 424, 500, 530, 625, 848, 1000, 1060, 1250, 1325, 2000, 2120, 2500, 2650, 3125, 4240, 5000, 5300, 6250, 6625, 10000, 10600, 12500, 13250, 15625, 21200, 25000, 26500, 31250, 33125, 50000, 53000, 62500, 66250, 106000, 125000, 132500, 165625, 250000, 265000, 331250, 530000, 662500, 828125, 1325000, 1656250, 2650000, 3312500, 6625000, 13250000]

約数ペア:

[(1, 13250000), (2, 6625000), (4, 3312500), (5, 2650000), (8, 1656250), (10, 1325000), (16, 828125), (20, 662500), (25, 530000), (40, 331250), (50, 265000), (53, 250000), (80, 165625), (100, 132500), (106, 125000), (125, 106000), (200, 66250), (212, 62500), (250, 53000), (265, 50000), (400, 33125), (424, 31250), (500, 26500), (530, 25000), (625, 21200), (848, 15625), (1000, 13250), (1060, 12500), (1250, 10600), (1325, 10000), (2000, 6625), (2120, 6250), (2500, 5300), (2650, 5000), (3125, 4240)]