76556720

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1949}}^1$

素因数の和:2453

約数の個数: 40

約数和(自身を含む): 178448400

約数和(自身を除く): 101891680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1949, 1964, 2455, 3898, 3928, 4910, 7796, 7856, 9745, 9820, 15592, 19490, 19640, 31184, 38980, 39280, 77960, 155920, 956959, 1913918, 3827836, 4784795, 7655672, 9569590, 15311344, 19139180, 38278360, 76556720]

約数ペア:

[(1, 76556720), (2, 38278360), (4, 19139180), (5, 15311344), (8, 9569590), (10, 7655672), (16, 4784795), (20, 3827836), (40, 1913918), (80, 956959), (491, 155920), (982, 77960), (1949, 39280), (1964, 38980), (2455, 31184), (3898, 19640), (3928, 19490), (4910, 15592), (7796, 9820), (7856, 9745)]