15980016

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{25609}}^1$

素因数の和:25633

約数の個数: 40

約数和(自身を含む): 44458960

約数和(自身を除く): 28478944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 25609, 51218, 76827, 102436, 153654, 204872, 307308, 332917, 409744, 614616, 665834, 998751, 1229232, 1331668, 1997502, 2663336, 3995004, 5326672, 7990008, 15980016]

約数ペア:

[(1, 15980016), (2, 7990008), (3, 5326672), (4, 3995004), (6, 2663336), (8, 1997502), (12, 1331668), (13, 1229232), (16, 998751), (24, 665834), (26, 614616), (39, 409744), (48, 332917), (52, 307308), (78, 204872), (104, 153654), (156, 102436), (208, 76827), (312, 51218), (624, 25609)]