28762880

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1021

約数の個数: 72

約数和(自身を含む): 71965152

約数和(自身を除く): 43202272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 977, 1280, 1472, 1840, 1954, 2944, 3680, 3908, 4885, 5888, 7360, 7816, 9770, 14720, 15632, 19540, 22471, 29440, 31264, 39080, 44942, 62528, 78160, 89884, 112355, 125056, 156320, 179768, 224710, 250112, 312640, 359536, 449420, 625280, 719072, 898840, 1250560, 1438144, 1797680, 2876288, 3595360, 5752576, 7190720, 14381440, 28762880]

約数ペア:

[(1, 28762880), (2, 14381440), (4, 7190720), (5, 5752576), (8, 3595360), (10, 2876288), (16, 1797680), (20, 1438144), (23, 1250560), (32, 898840), (40, 719072), (46, 625280), (64, 449420), (80, 359536), (92, 312640), (115, 250112), (128, 224710), (160, 179768), (184, 156320), (230, 125056), (256, 112355), (320, 89884), (368, 78160), (460, 62528), (640, 44942), (736, 39080), (920, 31264), (977, 29440), (1280, 22471), (1472, 19540), (1840, 15632), (1954, 14720), (2944, 9770), (3680, 7816), (3908, 7360), (4885, 5888)]