15868540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13007}}^1$

素因数の和:13077

約数の個数: 24

約数和(自身を含む): 33872832

約数和(自身を除く): 18004292

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 13007, 26014, 52028, 65035, 130070, 260140, 793427, 1586854, 3173708, 3967135, 7934270, 15868540]

約数ペア:

[(1, 15868540), (2, 7934270), (4, 3967135), (5, 3173708), (10, 1586854), (20, 793427), (61, 260140), (122, 130070), (244, 65035), (305, 52028), (610, 26014), (1220, 13007)]