28508320

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 73156608

約数和(自身を除く): 44648288

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 68, 80, 85, 94, 136, 160, 170, 188, 223, 235, 272, 340, 376, 446, 470, 544, 680, 752, 799, 892, 940, 1115, 1360, 1504, 1598, 1784, 1880, 2230, 2720, 3196, 3568, 3760, 3791, 3995, 4460, 6392, 7136, 7520, 7582, 7990, 8920, 10481, 12784, 15164, 15980, 17840, 18955, 20962, 25568, 30328, 31960, 35680, 37910, 41924, 52405, 60656, 63920, 75820, 83848, 104810, 121312, 127840, 151640, 167696, 178177, 209620, 303280, 335392, 356354, 419240, 606560, 712708, 838480, 890885, 1425416, 1676960, 1781770, 2850832, 3563540, 5701664, 7127080, 14254160, 28508320]

約数ペア:

[(1, 28508320), (2, 14254160), (4, 7127080), (5, 5701664), (8, 3563540), (10, 2850832), (16, 1781770), (17, 1676960), (20, 1425416), (32, 890885), (34, 838480), (40, 712708), (47, 606560), (68, 419240), (80, 356354), (85, 335392), (94, 303280), (136, 209620), (160, 178177), (170, 167696), (188, 151640), (223, 127840), (235, 121312), (272, 104810), (340, 83848), (376, 75820), (446, 63920), (470, 60656), (544, 52405), (680, 41924), (752, 37910), (799, 35680), (892, 31960), (940, 30328), (1115, 25568), (1360, 20962), (1504, 18955), (1598, 17840), (1784, 15980), (1880, 15164), (2230, 12784), (2720, 10481), (3196, 8920), (3568, 7990), (3760, 7582), (3791, 7520), (3995, 7136), (4460, 6392)]