39728065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 54946080

約数和(自身を除く): 15218015

約数列:

[1, 5, 13, 17, 65, 85, 157, 221, 229, 785, 1105, 1145, 2041, 2669, 2977, 3893, 10205, 13345, 14885, 19465, 34697, 35953, 50609, 173485, 179765, 253045, 467389, 611201, 2336945, 3056005, 7945613, 39728065]

約数ペア:

[(1, 39728065), (5, 7945613), (13, 3056005), (17, 2336945), (65, 611201), (85, 467389), (157, 253045), (221, 179765), (229, 173485), (785, 50609), (1105, 35953), (1145, 34697), (2041, 19465), (2669, 14885), (2977, 13345), (3893, 10205)]