8896940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1842

約数の個数: 48

約数和(自身を含む): 21191520

約数和(自身を除く): 12294580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1801, 2470, 3602, 4940, 7204, 9005, 18010, 23413, 34219, 36020, 46826, 68438, 93652, 117065, 136876, 171095, 234130, 342190, 444847, 468260, 684380, 889694, 1779388, 2224235, 4448470, 8896940]

約数ペア:

[(1, 8896940), (2, 4448470), (4, 2224235), (5, 1779388), (10, 889694), (13, 684380), (19, 468260), (20, 444847), (26, 342190), (38, 234130), (52, 171095), (65, 136876), (76, 117065), (95, 93652), (130, 68438), (190, 46826), (247, 36020), (260, 34219), (380, 23413), (494, 18010), (988, 9005), (1235, 7204), (1801, 4940), (2470, 3602)]