28124720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27043}}^1$

素因数の和:27069

約数の個数: 40

約数和(自身を含む): 70422576

約数和(自身を除く): 42297856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27043, 54086, 108172, 135215, 216344, 270430, 351559, 432688, 540860, 703118, 1081720, 1406236, 1757795, 2163440, 2812472, 3515590, 5624944, 7031180, 14062360, 28124720]

約数ペア:

[(1, 28124720), (2, 14062360), (4, 7031180), (5, 5624944), (8, 3515590), (10, 2812472), (13, 2163440), (16, 1757795), (20, 1406236), (26, 1081720), (40, 703118), (52, 540860), (65, 432688), (80, 351559), (104, 270430), (130, 216344), (208, 135215), (260, 108172), (520, 54086), (1040, 27043)]