4285880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{983}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 9741600

約数和(自身を除く): 5455720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 983, 1090, 1966, 2180, 3932, 4360, 4915, 7864, 9830, 19660, 39320, 107147, 214294, 428588, 535735, 857176, 1071470, 2142940, 4285880]

約数ペア:

[(1, 4285880), (2, 2142940), (4, 1071470), (5, 857176), (8, 535735), (10, 428588), (20, 214294), (40, 107147), (109, 39320), (218, 19660), (436, 9830), (545, 7864), (872, 4915), (983, 4360), (1090, 3932), (1966, 2180)]