85277660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{761}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 193560192

約数和(自身を除く): 108282532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 431, 761, 862, 1522, 1724, 2155, 3044, 3805, 4310, 5603, 7610, 8620, 9893, 11206, 15220, 19786, 22412, 28015, 39572, 49465, 56030, 98930, 112060, 197860, 327991, 655982, 1311964, 1639955, 3279910, 4263883, 6559820, 8527766, 17055532, 21319415, 42638830, 85277660]

約数ペア:

[(1, 85277660), (2, 42638830), (4, 21319415), (5, 17055532), (10, 8527766), (13, 6559820), (20, 4263883), (26, 3279910), (52, 1639955), (65, 1311964), (130, 655982), (260, 327991), (431, 197860), (761, 112060), (862, 98930), (1522, 56030), (1724, 49465), (2155, 39572), (3044, 28015), (3805, 22412), (4310, 19786), (5603, 15220), (7610, 11206), (8620, 9893)]