130400000

素因数分解:

$2^8\times 5^5\times {\mathrm{163}}^1$

素因数の和:204

約数の個数: 108

約数和(自身を含む): 327338424

約数和(自身を除く): 196938424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 163, 200, 250, 256, 320, 326, 400, 500, 625, 640, 652, 800, 815, 1000, 1250, 1280, 1304, 1600, 1630, 2000, 2500, 2608, 3125, 3200, 3260, 4000, 4075, 5000, 5216, 6250, 6400, 6520, 8000, 8150, 10000, 10432, 12500, 13040, 16000, 16300, 20000, 20375, 20864, 25000, 26080, 32000, 32600, 40000, 40750, 41728, 50000, 52160, 65200, 80000, 81500, 100000, 101875, 104320, 130400, 160000, 163000, 200000, 203750, 208640, 260800, 326000, 400000, 407500, 509375, 521600, 652000, 800000, 815000, 1018750, 1043200, 1304000, 1630000, 2037500, 2608000, 3260000, 4075000, 5216000, 6520000, 8150000, 13040000, 16300000, 26080000, 32600000, 65200000, 130400000]

約数ペア:

[(1, 130400000), (2, 65200000), (4, 32600000), (5, 26080000), (8, 16300000), (10, 13040000), (16, 8150000), (20, 6520000), (25, 5216000), (32, 4075000), (40, 3260000), (50, 2608000), (64, 2037500), (80, 1630000), (100, 1304000), (125, 1043200), (128, 1018750), (160, 815000), (163, 800000), (200, 652000), (250, 521600), (256, 509375), (320, 407500), (326, 400000), (400, 326000), (500, 260800), (625, 208640), (640, 203750), (652, 200000), (800, 163000), (815, 160000), (1000, 130400), (1250, 104320), (1280, 101875), (1304, 100000), (1600, 81500), (1630, 80000), (2000, 65200), (2500, 52160), (2608, 50000), (3125, 41728), (3200, 40750), (3260, 40000), (4000, 32600), (4075, 32000), (5000, 26080), (5216, 25000), (6250, 20864), (6400, 20375), (6520, 20000), (8000, 16300), (8150, 16000), (10000, 13040), (10432, 12500)]