66539720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3121}}^1$

素因数の和:3186

約数の個数: 64

約数和(自身を含む): 165216240

約数和(自身を除く): 98676520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 3121, 4264, 5330, 6242, 10660, 12484, 15605, 21320, 24968, 31210, 40573, 62420, 81146, 124840, 127961, 162292, 202865, 255922, 324584, 405730, 511844, 639805, 811460, 1023688, 1279610, 1622920, 1663493, 2559220, 3326986, 5118440, 6653972, 8317465, 13307944, 16634930, 33269860, 66539720]

約数ペア:

[(1, 66539720), (2, 33269860), (4, 16634930), (5, 13307944), (8, 8317465), (10, 6653972), (13, 5118440), (20, 3326986), (26, 2559220), (40, 1663493), (41, 1622920), (52, 1279610), (65, 1023688), (82, 811460), (104, 639805), (130, 511844), (164, 405730), (205, 324584), (260, 255922), (328, 202865), (410, 162292), (520, 127961), (533, 124840), (820, 81146), (1066, 62420), (1640, 40573), (2132, 31210), (2665, 24968), (3121, 21320), (4264, 15605), (5330, 12484), (6242, 10660)]