28931840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{3229}}^1$

素因数の和:3257

約数の個数: 72

約数和(自身を含む): 79225440

約数和(自身を除く): 50293600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 3229, 4480, 6458, 8960, 12916, 16145, 22603, 25832, 32290, 45206, 51664, 64580, 90412, 103328, 113015, 129160, 180824, 206656, 226030, 258320, 361648, 413312, 452060, 516640, 723296, 826624, 904120, 1033280, 1446592, 1808240, 2066560, 2893184, 3616480, 4133120, 5786368, 7232960, 14465920, 28931840]

約数ペア:

[(1, 28931840), (2, 14465920), (4, 7232960), (5, 5786368), (7, 4133120), (8, 3616480), (10, 2893184), (14, 2066560), (16, 1808240), (20, 1446592), (28, 1033280), (32, 904120), (35, 826624), (40, 723296), (56, 516640), (64, 452060), (70, 413312), (80, 361648), (112, 258320), (128, 226030), (140, 206656), (160, 180824), (224, 129160), (256, 113015), (280, 103328), (320, 90412), (448, 64580), (560, 51664), (640, 45206), (896, 32290), (1120, 25832), (1280, 22603), (1792, 16145), (2240, 12916), (3229, 8960), (4480, 6458)]