40971320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78791}}^1$

素因数の和:78815

約数の個数: 32

約数和(自身を含む): 99277920

約数和(自身を除く): 58306600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78791, 157582, 315164, 393955, 630328, 787910, 1024283, 1575820, 2048566, 3151640, 4097132, 5121415, 8194264, 10242830, 20485660, 40971320]

約数ペア:

[(1, 40971320), (2, 20485660), (4, 10242830), (5, 8194264), (8, 5121415), (10, 4097132), (13, 3151640), (20, 2048566), (26, 1575820), (40, 1024283), (52, 787910), (65, 630328), (104, 393955), (130, 315164), (260, 157582), (520, 78791)]