18413788480

素因数分解:

$2^6\times 5^1\times {\mathrm{3581}}^1\times {\mathrm{16069}}^1$

素因数の和:19667

約数の個数: 56

約数和(自身を含む): 43862807880

約数和(自身を除く): 25449019400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 3581, 7162, 14324, 16069, 17905, 28648, 32138, 35810, 57296, 64276, 71620, 80345, 114592, 128552, 143240, 160690, 229184, 257104, 286480, 321380, 514208, 572960, 642760, 1028416, 1145920, 1285520, 2571040, 5142080, 57543089, 115086178, 230172356, 287715445, 460344712, 575430890, 920689424, 1150861780, 1841378848, 2301723560, 3682757696, 4603447120, 9206894240, 18413788480]

約数ペア:

[(1, 18413788480), (2, 9206894240), (4, 4603447120), (5, 3682757696), (8, 2301723560), (10, 1841378848), (16, 1150861780), (20, 920689424), (32, 575430890), (40, 460344712), (64, 287715445), (80, 230172356), (160, 115086178), (320, 57543089), (3581, 5142080), (7162, 2571040), (14324, 1285520), (16069, 1145920), (17905, 1028416), (28648, 642760), (32138, 572960), (35810, 514208), (57296, 321380), (64276, 286480), (71620, 257104), (80345, 229184), (114592, 160690), (128552, 143240)]