40221428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9791}}^1$

素因数の和:9887

約数の個数: 24

約数和(自身を含む): 76769280

約数和(自身を除く): 36547852

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 9791, 19582, 39164, 127283, 254566, 509132, 773489, 1546978, 3093956, 10055357, 20110714, 40221428]

約数ペア:

[(1, 40221428), (2, 20110714), (4, 10055357), (13, 3093956), (26, 1546978), (52, 773489), (79, 509132), (158, 254566), (316, 127283), (1027, 39164), (2054, 19582), (4108, 9791)]