81003700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:937

約数の個数: 72

約数和(自身を含む): 188112960

約数和(自身を除く): 107109260

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 82, 92, 100, 115, 164, 205, 230, 410, 460, 575, 820, 859, 943, 1025, 1150, 1718, 1886, 2050, 2300, 3436, 3772, 4100, 4295, 4715, 8590, 9430, 17180, 18860, 19757, 21475, 23575, 35219, 39514, 42950, 47150, 70438, 79028, 85900, 94300, 98785, 140876, 176095, 197570, 352190, 395140, 493925, 704380, 810037, 880475, 987850, 1620074, 1760950, 1975700, 3240148, 3521900, 4050185, 8100370, 16200740, 20250925, 40501850, 81003700]

約数ペア:

[(1, 81003700), (2, 40501850), (4, 20250925), (5, 16200740), (10, 8100370), (20, 4050185), (23, 3521900), (25, 3240148), (41, 1975700), (46, 1760950), (50, 1620074), (82, 987850), (92, 880475), (100, 810037), (115, 704380), (164, 493925), (205, 395140), (230, 352190), (410, 197570), (460, 176095), (575, 140876), (820, 98785), (859, 94300), (943, 85900), (1025, 79028), (1150, 70438), (1718, 47150), (1886, 42950), (2050, 39514), (2300, 35219), (3436, 23575), (3772, 21475), (4100, 19757), (4295, 18860), (4715, 17180), (8590, 9430)]