85666880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20593}}^1$

素因数の和:20623

約数の個数: 56

約数和(自身を含む): 219696792

約数和(自身を除く): 134029912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 20593, 41186, 82372, 102965, 164744, 205930, 267709, 329488, 411860, 535418, 658976, 823720, 1070836, 1317952, 1338545, 1647440, 2141672, 2677090, 3294880, 4283344, 5354180, 6589760, 8566688, 10708360, 17133376, 21416720, 42833440, 85666880]

約数ペア:

[(1, 85666880), (2, 42833440), (4, 21416720), (5, 17133376), (8, 10708360), (10, 8566688), (13, 6589760), (16, 5354180), (20, 4283344), (26, 3294880), (32, 2677090), (40, 2141672), (52, 1647440), (64, 1338545), (65, 1317952), (80, 1070836), (104, 823720), (130, 658976), (160, 535418), (208, 411860), (260, 329488), (320, 267709), (416, 205930), (520, 164744), (832, 102965), (1040, 82372), (2080, 41186), (4160, 20593)]