12815764940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{89209}}^1$

素因数の和:89882

約数の個数: 48

約数和(自身を含む): 29405043360

約数和(自身を除く): 16589278420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 653, 1306, 2612, 3265, 6530, 7183, 13060, 14366, 28732, 35915, 71830, 89209, 143660, 178418, 356836, 446045, 892090, 981299, 1784180, 1962598, 3925196, 4906495, 9812990, 19625980, 58253477, 116506954, 233013908, 291267385, 582534770, 640788247, 1165069540, 1281576494, 2563152988, 3203941235, 6407882470, 12815764940]

約数ペア:

[(1, 12815764940), (2, 6407882470), (4, 3203941235), (5, 2563152988), (10, 1281576494), (11, 1165069540), (20, 640788247), (22, 582534770), (44, 291267385), (55, 233013908), (110, 116506954), (220, 58253477), (653, 19625980), (1306, 9812990), (2612, 4906495), (3265, 3925196), (6530, 1962598), (7183, 1784180), (13060, 981299), (14366, 892090), (28732, 446045), (35915, 356836), (71830, 178418), (89209, 143660)]