27472520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7717}}^1$

素因数の和:7817

約数の個数: 32

約数和(自身を含む): 62515800

約数和(自身を除く): 35043280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 7717, 15434, 30868, 38585, 61736, 77170, 154340, 308680, 686813, 1373626, 2747252, 3434065, 5494504, 6868130, 13736260, 27472520]

約数ペア:

[(1, 27472520), (2, 13736260), (4, 6868130), (5, 5494504), (8, 3434065), (10, 2747252), (20, 1373626), (40, 686813), (89, 308680), (178, 154340), (356, 77170), (445, 61736), (712, 38585), (890, 30868), (1780, 15434), (3560, 7717)]