89639420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3163}}^1$

素因数の和:3294

約数の個数: 48

約数和(自身を含む): 204647520

約数和(自身を除く): 115008100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 3163, 5668, 6326, 7085, 12652, 14170, 15815, 28340, 31630, 41119, 63260, 82238, 164476, 205595, 344767, 411190, 689534, 822380, 1379068, 1723835, 3447670, 4481971, 6895340, 8963942, 17927884, 22409855, 44819710, 89639420]

約数ペア:

[(1, 89639420), (2, 44819710), (4, 22409855), (5, 17927884), (10, 8963942), (13, 6895340), (20, 4481971), (26, 3447670), (52, 1723835), (65, 1379068), (109, 822380), (130, 689534), (218, 411190), (260, 344767), (436, 205595), (545, 164476), (1090, 82238), (1417, 63260), (2180, 41119), (2834, 31630), (3163, 28340), (5668, 15815), (6326, 14170), (7085, 12652)]