77720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:107

約数の個数: 32

約数和(自身を含む): 183600

約数和(自身を除く): 105880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 67, 116, 134, 145, 232, 268, 290, 335, 536, 580, 670, 1160, 1340, 1943, 2680, 3886, 7772, 9715, 15544, 19430, 38860, 77720]

約数ペア:

[(1, 77720), (2, 38860), (4, 19430), (5, 15544), (8, 9715), (10, 7772), (20, 3886), (29, 2680), (40, 1943), (58, 1340), (67, 1160), (116, 670), (134, 580), (145, 536), (232, 335), (268, 290)]