78366520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{827}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 186001920

約数和(自身を除く): 107635400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 103, 115, 184, 206, 230, 412, 460, 515, 824, 827, 920, 1030, 1654, 2060, 2369, 3308, 4120, 4135, 4738, 6616, 8270, 9476, 11845, 16540, 18952, 19021, 23690, 33080, 38042, 47380, 76084, 85181, 94760, 95105, 152168, 170362, 190210, 340724, 380420, 425905, 681448, 760840, 851810, 1703620, 1959163, 3407240, 3918326, 7836652, 9795815, 15673304, 19591630, 39183260, 78366520]

約数ペア:

[(1, 78366520), (2, 39183260), (4, 19591630), (5, 15673304), (8, 9795815), (10, 7836652), (20, 3918326), (23, 3407240), (40, 1959163), (46, 1703620), (92, 851810), (103, 760840), (115, 681448), (184, 425905), (206, 380420), (230, 340724), (412, 190210), (460, 170362), (515, 152168), (824, 95105), (827, 94760), (920, 85181), (1030, 76084), (1654, 47380), (2060, 38042), (2369, 33080), (3308, 23690), (4120, 19021), (4135, 18952), (4738, 16540), (6616, 11845), (8270, 9476)]