85783820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1667}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 188310528

約数和(自身を除く): 102526708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 1660, 1667, 2573, 3334, 5146, 6668, 8335, 10292, 12865, 16670, 25730, 33340, 51460, 51677, 103354, 138361, 206708, 258385, 276722, 516770, 553444, 691805, 1033540, 1383610, 2767220, 4289191, 8578382, 17156764, 21445955, 42891910, 85783820]

約数ペア:

[(1, 85783820), (2, 42891910), (4, 21445955), (5, 17156764), (10, 8578382), (20, 4289191), (31, 2767220), (62, 1383610), (83, 1033540), (124, 691805), (155, 553444), (166, 516770), (310, 276722), (332, 258385), (415, 206708), (620, 138361), (830, 103354), (1660, 51677), (1667, 51460), (2573, 33340), (3334, 25730), (5146, 16670), (6668, 12865), (8335, 10292)]