31956860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6469}}^1$

素因数の和:6510

約数の個数: 48

約数和(自身を含む): 76087200

約数和(自身を除く): 44130340

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, 2470, 4940, 6469, 12938, 25876, 32345, 64690, 84097, 122911, 129380, 168194, 245822, 336388, 420485, 491644, 614555, 840970, 1229110, 1597843, 1681940, 2458220, 3195686, 6391372, 7989215, 15978430, 31956860]

約数ペア:

[(1, 31956860), (2, 15978430), (4, 7989215), (5, 6391372), (10, 3195686), (13, 2458220), (19, 1681940), (20, 1597843), (26, 1229110), (38, 840970), (52, 614555), (65, 491644), (76, 420485), (95, 336388), (130, 245822), (190, 168194), (247, 129380), (260, 122911), (380, 84097), (494, 64690), (988, 32345), (1235, 25876), (2470, 12938), (4940, 6469)]