10250000

素因数分解:

$2^4\times 5^6\times {\mathrm{41}}^1$

素因数の和:79

約数の個数: 70

約数和(自身を含む): 25429362

約数和(自身を除く): 15179362

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 125, 164, 200, 205, 250, 328, 400, 410, 500, 625, 656, 820, 1000, 1025, 1250, 1640, 2000, 2050, 2500, 3125, 3280, 4100, 5000, 5125, 6250, 8200, 10000, 10250, 12500, 15625, 16400, 20500, 25000, 25625, 31250, 41000, 50000, 51250, 62500, 82000, 102500, 125000, 128125, 205000, 250000, 256250, 410000, 512500, 640625, 1025000, 1281250, 2050000, 2562500, 5125000, 10250000]

約数ペア:

[(1, 10250000), (2, 5125000), (4, 2562500), (5, 2050000), (8, 1281250), (10, 1025000), (16, 640625), (20, 512500), (25, 410000), (40, 256250), (41, 250000), (50, 205000), (80, 128125), (82, 125000), (100, 102500), (125, 82000), (164, 62500), (200, 51250), (205, 50000), (250, 41000), (328, 31250), (400, 25625), (410, 25000), (500, 20500), (625, 16400), (656, 15625), (820, 12500), (1000, 10250), (1025, 10000), (1250, 8200), (1640, 6250), (2000, 5125), (2050, 5000), (2500, 4100), (3125, 3280)]