540800

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^2$

素因数の和:50

約数の個数: 72

約数和(自身を含む): 1446615

約数和(自身を除く): 905815

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 169, 200, 208, 260, 320, 325, 338, 400, 416, 520, 640, 650, 676, 800, 832, 845, 1040, 1300, 1352, 1600, 1664, 1690, 2080, 2600, 2704, 3200, 3380, 4160, 4225, 5200, 5408, 6760, 8320, 8450, 10400, 10816, 13520, 16900, 20800, 21632, 27040, 33800, 41600, 54080, 67600, 108160, 135200, 270400, 540800]

約数ペア:

[(1, 540800), (2, 270400), (4, 135200), (5, 108160), (8, 67600), (10, 54080), (13, 41600), (16, 33800), (20, 27040), (25, 21632), (26, 20800), (32, 16900), (40, 13520), (50, 10816), (52, 10400), (64, 8450), (65, 8320), (80, 6760), (100, 5408), (104, 5200), (128, 4225), (130, 4160), (160, 3380), (169, 3200), (200, 2704), (208, 2600), (260, 2080), (320, 1690), (325, 1664), (338, 1600), (400, 1352), (416, 1300), (520, 1040), (640, 845), (650, 832), (676, 800)]