84284720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81043}}^1$

素因数の和:81069

約数の個数: 40

約数和(自身を含む): 211038576

約数和(自身を除く): 126753856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 81043, 162086, 324172, 405215, 648344, 810430, 1053559, 1296688, 1620860, 2107118, 3241720, 4214236, 5267795, 6483440, 8428472, 10535590, 16856944, 21071180, 42142360, 84284720]

約数ペア:

[(1, 84284720), (2, 42142360), (4, 21071180), (5, 16856944), (8, 10535590), (10, 8428472), (13, 6483440), (16, 5267795), (20, 4214236), (26, 3241720), (40, 2107118), (52, 1620860), (65, 1296688), (80, 1053559), (104, 810430), (130, 648344), (208, 405215), (260, 324172), (520, 162086), (1040, 81043)]