9971720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 24805440

約数和(自身を除く): 14833720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 173, 220, 262, 346, 440, 524, 655, 692, 865, 1048, 1310, 1384, 1441, 1730, 1903, 2620, 2882, 3460, 3806, 5240, 5764, 6920, 7205, 7612, 9515, 11528, 14410, 15224, 19030, 22663, 28820, 38060, 45326, 57640, 76120, 90652, 113315, 181304, 226630, 249293, 453260, 498586, 906520, 997172, 1246465, 1994344, 2492930, 4985860, 9971720]

約数ペア:

[(1, 9971720), (2, 4985860), (4, 2492930), (5, 1994344), (8, 1246465), (10, 997172), (11, 906520), (20, 498586), (22, 453260), (40, 249293), (44, 226630), (55, 181304), (88, 113315), (110, 90652), (131, 76120), (173, 57640), (220, 45326), (262, 38060), (346, 28820), (440, 22663), (524, 19030), (655, 15224), (692, 14410), (865, 11528), (1048, 9515), (1310, 7612), (1384, 7205), (1441, 6920), (1730, 5764), (1903, 5240), (2620, 3806), (2882, 3460)]