814689080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1\times {\mathrm{911}}^1$

素因数の和:1284

約数の個数: 64

約数和(自身を含む): 1864857600

約数和(自身を除く): 1050168520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 283, 316, 395, 566, 632, 790, 911, 1132, 1415, 1580, 1822, 2264, 2830, 3160, 3644, 4555, 5660, 7288, 9110, 11320, 18220, 22357, 36440, 44714, 71969, 89428, 111785, 143938, 178856, 223570, 257813, 287876, 359845, 447140, 515626, 575752, 719690, 894280, 1031252, 1289065, 1439380, 2062504, 2578130, 2878760, 5156260, 10312520, 20367227, 40734454, 81468908, 101836135, 162937816, 203672270, 407344540, 814689080]

約数ペア:

[(1, 814689080), (2, 407344540), (4, 203672270), (5, 162937816), (8, 101836135), (10, 81468908), (20, 40734454), (40, 20367227), (79, 10312520), (158, 5156260), (283, 2878760), (316, 2578130), (395, 2062504), (566, 1439380), (632, 1289065), (790, 1031252), (911, 894280), (1132, 719690), (1415, 575752), (1580, 515626), (1822, 447140), (2264, 359845), (2830, 287876), (3160, 257813), (3644, 223570), (4555, 178856), (5660, 143938), (7288, 111785), (9110, 89428), (11320, 71969), (18220, 44714), (22357, 36440)]