5489380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 12729024

約数和(自身を除く): 7239644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 491, 559, 860, 982, 1118, 1964, 2236, 2455, 2795, 4910, 5590, 6383, 9820, 11180, 12766, 21113, 25532, 31915, 42226, 63830, 84452, 105565, 127660, 211130, 274469, 422260, 548938, 1097876, 1372345, 2744690, 5489380]

約数ペア:

[(1, 5489380), (2, 2744690), (4, 1372345), (5, 1097876), (10, 548938), (13, 422260), (20, 274469), (26, 211130), (43, 127660), (52, 105565), (65, 84452), (86, 63830), (130, 42226), (172, 31915), (215, 25532), (260, 21113), (430, 12766), (491, 11180), (559, 9820), (860, 6383), (982, 5590), (1118, 4910), (1964, 2795), (2236, 2455)]