28755680

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3391}}^1$

素因数の和:3459

約数の個数: 48

約数和(自身を含む): 69237504

約数和(自身を除く): 40481824

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, 3391, 4240, 6782, 8480, 13564, 16955, 27128, 33910, 54256, 67820, 108512, 135640, 179723, 271280, 359446, 542560, 718892, 898615, 1437784, 1797230, 2875568, 3594460, 5751136, 7188920, 14377840, 28755680]

約数ペア:

[(1, 28755680), (2, 14377840), (4, 7188920), (5, 5751136), (8, 3594460), (10, 2875568), (16, 1797230), (20, 1437784), (32, 898615), (40, 718892), (53, 542560), (80, 359446), (106, 271280), (160, 179723), (212, 135640), (265, 108512), (424, 67820), (530, 54256), (848, 33910), (1060, 27128), (1696, 16955), (2120, 13564), (3391, 8480), (4240, 6782)]