20165765120

素因数分解:

$2^{11}\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8831}}^1$

素因数の和:9081

約数の個数: 96

約数和(自身を含む): 48608501760

約数和(自身を除く): 28442736640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 256, 320, 446, 512, 640, 892, 1024, 1115, 1280, 1784, 2048, 2230, 2560, 3568, 4460, 5120, 7136, 8831, 8920, 10240, 14272, 17662, 17840, 28544, 35324, 35680, 44155, 57088, 70648, 71360, 88310, 114176, 141296, 142720, 176620, 228352, 282592, 285440, 353240, 456704, 565184, 570880, 706480, 1130368, 1141760, 1412960, 1969313, 2260736, 2283520, 2825920, 3938626, 4521472, 5651840, 7877252, 9042944, 9846565, 11303680, 15754504, 18085888, 19693130, 22607360, 31509008, 39386260, 45214720, 63018016, 78772520, 90429440, 126036032, 157545040, 252072064, 315090080, 504144128, 630180160, 1008288256, 1260360320, 2016576512, 2520720640, 4033153024, 5041441280, 10082882560, 20165765120]

約数ペア:

[(1, 20165765120), (2, 10082882560), (4, 5041441280), (5, 4033153024), (8, 2520720640), (10, 2016576512), (16, 1260360320), (20, 1008288256), (32, 630180160), (40, 504144128), (64, 315090080), (80, 252072064), (128, 157545040), (160, 126036032), (223, 90429440), (256, 78772520), (320, 63018016), (446, 45214720), (512, 39386260), (640, 31509008), (892, 22607360), (1024, 19693130), (1115, 18085888), (1280, 15754504), (1784, 11303680), (2048, 9846565), (2230, 9042944), (2560, 7877252), (3568, 5651840), (4460, 4521472), (5120, 3938626), (7136, 2825920), (8831, 2283520), (8920, 2260736), (10240, 1969313), (14272, 1412960), (17662, 1141760), (17840, 1130368), (28544, 706480), (35324, 570880), (35680, 565184), (44155, 456704), (57088, 353240), (70648, 285440), (71360, 282592), (88310, 228352), (114176, 176620), (141296, 142720)]