520161280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:749

約数の個数: 96

約数和(自身を含む): 1265846400

約数和(自身を除く): 745685120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 512, 632, 640, 643, 790, 1024, 1264, 1280, 1286, 1580, 2048, 2528, 2560, 2572, 3160, 3215, 5056, 5120, 5144, 6320, 6430, 10112, 10240, 10288, 12640, 12860, 20224, 20576, 25280, 25720, 40448, 41152, 50560, 50797, 51440, 80896, 82304, 101120, 101594, 102880, 161792, 164608, 202240, 203188, 205760, 253985, 329216, 404480, 406376, 411520, 507970, 658432, 808960, 812752, 823040, 1015940, 1316864, 1625504, 1646080, 2031880, 3251008, 3292160, 4063760, 6502016, 6584320, 8127520, 13004032, 16255040, 26008064, 32510080, 52016128, 65020160, 104032256, 130040320, 260080640, 520161280]

約数ペア:

[(1, 520161280), (2, 260080640), (4, 130040320), (5, 104032256), (8, 65020160), (10, 52016128), (16, 32510080), (20, 26008064), (32, 16255040), (40, 13004032), (64, 8127520), (79, 6584320), (80, 6502016), (128, 4063760), (158, 3292160), (160, 3251008), (256, 2031880), (316, 1646080), (320, 1625504), (395, 1316864), (512, 1015940), (632, 823040), (640, 812752), (643, 808960), (790, 658432), (1024, 507970), (1264, 411520), (1280, 406376), (1286, 404480), (1580, 329216), (2048, 253985), (2528, 205760), (2560, 203188), (2572, 202240), (3160, 164608), (3215, 161792), (5056, 102880), (5120, 101594), (5144, 101120), (6320, 82304), (6430, 80896), (10112, 51440), (10240, 50797), (10288, 50560), (12640, 41152), (12860, 40448), (20224, 25720), (20576, 25280)]