64896920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1867}}^1$

素因数の和:1968

約数の個数: 64

約数和(自身を含む): 161395200

約数和(自身を除く): 96498280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 1867, 3160, 3476, 3734, 4345, 6952, 7468, 8690, 9335, 14936, 17380, 18670, 20537, 34760, 37340, 41074, 74680, 82148, 102685, 147493, 164296, 205370, 294986, 410740, 589972, 737465, 821480, 1179944, 1474930, 1622423, 2949860, 3244846, 5899720, 6489692, 8112115, 12979384, 16224230, 32448460, 64896920]

約数ペア:

[(1, 64896920), (2, 32448460), (4, 16224230), (5, 12979384), (8, 8112115), (10, 6489692), (11, 5899720), (20, 3244846), (22, 2949860), (40, 1622423), (44, 1474930), (55, 1179944), (79, 821480), (88, 737465), (110, 589972), (158, 410740), (220, 294986), (316, 205370), (395, 164296), (440, 147493), (632, 102685), (790, 82148), (869, 74680), (1580, 41074), (1738, 37340), (1867, 34760), (3160, 20537), (3476, 18670), (3734, 17380), (4345, 14936), (6952, 9335), (7468, 8690)]