38517920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^3$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 112470120

約数和(自身を除く): 73952200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 289, 340, 392, 476, 490, 544, 560, 578, 595, 680, 784, 833, 952, 980, 1120, 1156, 1190, 1360, 1445, 1568, 1666, 1904, 1960, 2023, 2312, 2380, 2720, 2890, 3332, 3808, 3920, 4046, 4165, 4624, 4760, 4913, 5780, 6664, 7840, 8092, 8330, 9248, 9520, 9826, 10115, 11560, 13328, 14161, 16184, 16660, 19040, 19652, 20230, 23120, 24565, 26656, 28322, 32368, 33320, 34391, 39304, 40460, 46240, 49130, 56644, 64736, 66640, 68782, 70805, 78608, 80920, 98260, 113288, 133280, 137564, 141610, 157216, 161840, 171955, 196520, 226576, 240737, 275128, 283220, 323680, 343910, 393040, 453152, 481474, 550256, 566440, 687820, 786080, 962948, 1100512, 1132880, 1203685, 1375640, 1925896, 2265760, 2407370, 2751280, 3851792, 4814740, 5502560, 7703584, 9629480, 19258960, 38517920]

約数ペア:

[(1, 38517920), (2, 19258960), (4, 9629480), (5, 7703584), (7, 5502560), (8, 4814740), (10, 3851792), (14, 2751280), (16, 2407370), (17, 2265760), (20, 1925896), (28, 1375640), (32, 1203685), (34, 1132880), (35, 1100512), (40, 962948), (49, 786080), (56, 687820), (68, 566440), (70, 550256), (80, 481474), (85, 453152), (98, 393040), (112, 343910), (119, 323680), (136, 283220), (140, 275128), (160, 240737), (170, 226576), (196, 196520), (224, 171955), (238, 161840), (245, 157216), (272, 141610), (280, 137564), (289, 133280), (340, 113288), (392, 98260), (476, 80920), (490, 78608), (544, 70805), (560, 68782), (578, 66640), (595, 64736), (680, 56644), (784, 49130), (833, 46240), (952, 40460), (980, 39304), (1120, 34391), (1156, 33320), (1190, 32368), (1360, 28322), (1445, 26656), (1568, 24565), (1666, 23120), (1904, 20230), (1960, 19652), (2023, 19040), (2312, 16660), (2380, 16184), (2720, 14161), (2890, 13328), (3332, 11560), (3808, 10115), (3920, 9826), (4046, 9520), (4165, 9248), (4624, 8330), (4760, 8092), (4913, 7840), (5780, 6664)]