28409740

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{6203}}^1$

素因数の和:6441

約数の個数: 24

約数和(自身を含む): 59930640

約数和(自身を除く): 31520900

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 6203, 12406, 24812, 31015, 62030, 124060, 1420487, 2840974, 5681948, 7102435, 14204870, 28409740]

約数ペア:

[(1, 28409740), (2, 14204870), (4, 7102435), (5, 5681948), (10, 2840974), (20, 1420487), (229, 124060), (458, 62030), (916, 31015), (1145, 24812), (2290, 12406), (4580, 6203)]