15042040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28927}}^1$

素因数の和:28951

約数の個数: 32

約数和(自身を含む): 36449280

約数和(自身を除く): 21407240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 28927, 57854, 115708, 144635, 231416, 289270, 376051, 578540, 752102, 1157080, 1504204, 1880255, 3008408, 3760510, 7521020, 15042040]

約数ペア:

[(1, 15042040), (2, 7521020), (4, 3760510), (5, 3008408), (8, 1880255), (10, 1504204), (13, 1157080), (20, 752102), (26, 578540), (40, 376051), (52, 289270), (65, 231416), (104, 144635), (130, 115708), (260, 57854), (520, 28927)]