1326250000

素因数分解:

$2^4\times 5^7\times {\mathrm{1061}}^1$

素因数の和:1104

約数の個数: 80

約数和(自身を含む): 3215030832

約数和(自身を除く): 1888780832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1061, 1250, 2000, 2122, 2500, 3125, 4244, 5000, 5305, 6250, 8488, 10000, 10610, 12500, 15625, 16976, 21220, 25000, 26525, 31250, 42440, 50000, 53050, 62500, 78125, 84880, 106100, 125000, 132625, 156250, 212200, 250000, 265250, 312500, 424400, 530500, 625000, 663125, 1061000, 1250000, 1326250, 2122000, 2652500, 3315625, 5305000, 6631250, 10610000, 13262500, 16578125, 26525000, 33156250, 53050000, 66312500, 82890625, 132625000, 165781250, 265250000, 331562500, 663125000, 1326250000]

約数ペア:

[(1, 1326250000), (2, 663125000), (4, 331562500), (5, 265250000), (8, 165781250), (10, 132625000), (16, 82890625), (20, 66312500), (25, 53050000), (40, 33156250), (50, 26525000), (80, 16578125), (100, 13262500), (125, 10610000), (200, 6631250), (250, 5305000), (400, 3315625), (500, 2652500), (625, 2122000), (1000, 1326250), (1061, 1250000), (1250, 1061000), (2000, 663125), (2122, 625000), (2500, 530500), (3125, 424400), (4244, 312500), (5000, 265250), (5305, 250000), (6250, 212200), (8488, 156250), (10000, 132625), (10610, 125000), (12500, 106100), (15625, 84880), (16976, 78125), (21220, 62500), (25000, 53050), (26525, 50000), (31250, 42440)]