85798700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2187

約数の個数: 72

約数和(自身を含む): 207070080

約数和(自身を除く): 121271380

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 2129, 3100, 4030, 4258, 8060, 8516, 10075, 10645, 20150, 21290, 27677, 40300, 42580, 53225, 55354, 65999, 106450, 110708, 131998, 138385, 212900, 263996, 276770, 329995, 553540, 659990, 691925, 857987, 1319980, 1383850, 1649975, 1715974, 2767700, 3299950, 3431948, 4289935, 6599900, 8579870, 17159740, 21449675, 42899350, 85798700]

約数ペア:

[(1, 85798700), (2, 42899350), (4, 21449675), (5, 17159740), (10, 8579870), (13, 6599900), (20, 4289935), (25, 3431948), (26, 3299950), (31, 2767700), (50, 1715974), (52, 1649975), (62, 1383850), (65, 1319980), (100, 857987), (124, 691925), (130, 659990), (155, 553540), (260, 329995), (310, 276770), (325, 263996), (403, 212900), (620, 138385), (650, 131998), (775, 110708), (806, 106450), (1300, 65999), (1550, 55354), (1612, 53225), (2015, 42580), (2129, 40300), (3100, 27677), (4030, 21290), (4258, 20150), (8060, 10645), (8516, 10075)]