213569680

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{9851}}^1$

素因数の和:10135

約数の個数: 40

約数和(自身を含む): 498432384

約数和(自身を除く): 284862704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 9851, 10840, 19702, 21680, 39404, 49255, 78808, 98510, 157616, 197020, 394040, 788080, 2669621, 5339242, 10678484, 13348105, 21356968, 26696210, 42713936, 53392420, 106784840, 213569680]

約数ペア:

[(1, 213569680), (2, 106784840), (4, 53392420), (5, 42713936), (8, 26696210), (10, 21356968), (16, 13348105), (20, 10678484), (40, 5339242), (80, 2669621), (271, 788080), (542, 394040), (1084, 197020), (1355, 157616), (2168, 98510), (2710, 78808), (4336, 49255), (5420, 39404), (9851, 21680), (10840, 19702)]