8761720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19913}}^1$

素因数の和:19935

約数の個数: 32

約数和(自身を含む): 21507120

約数和(自身を除く): 12745400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19913, 39826, 79652, 99565, 159304, 199130, 219043, 398260, 438086, 796520, 876172, 1095215, 1752344, 2190430, 4380860, 8761720]

約数ペア:

[(1, 8761720), (2, 4380860), (4, 2190430), (5, 1752344), (8, 1095215), (10, 876172), (11, 796520), (20, 438086), (22, 398260), (40, 219043), (44, 199130), (55, 159304), (88, 99565), (110, 79652), (220, 39826), (440, 19913)]