28348640

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3343}}^1$

素因数の和:3411

約数の個数: 48

約数和(自身を含む): 68257728

約数和(自身を除く): 39909088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 3343, 4240, 6686, 8480, 13372, 16715, 26744, 33430, 53488, 66860, 106976, 133720, 177179, 267440, 354358, 534880, 708716, 885895, 1417432, 1771790, 2834864, 3543580, 5669728, 7087160, 14174320, 28348640]

約数ペア:

[(1, 28348640), (2, 14174320), (4, 7087160), (5, 5669728), (8, 3543580), (10, 2834864), (16, 1771790), (20, 1417432), (32, 885895), (40, 708716), (53, 534880), (80, 354358), (106, 267440), (160, 177179), (212, 133720), (265, 106976), (424, 66860), (530, 53488), (848, 33430), (1060, 26744), (1696, 16715), (2120, 13372), (3343, 8480), (4240, 6686)]