66821780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 145587456

約数和(自身を除く): 78765676

約数列:

[1, 2, 4, 5, 10, 20, 47, 67, 94, 134, 188, 235, 268, 335, 470, 670, 940, 1061, 1340, 2122, 3149, 4244, 5305, 6298, 10610, 12596, 15745, 21220, 31490, 49867, 62980, 71087, 99734, 142174, 199468, 249335, 284348, 355435, 498670, 710870, 997340, 1421740, 3341089, 6682178, 13364356, 16705445, 33410890, 66821780]

約数ペア:

[(1, 66821780), (2, 33410890), (4, 16705445), (5, 13364356), (10, 6682178), (20, 3341089), (47, 1421740), (67, 997340), (94, 710870), (134, 498670), (188, 355435), (235, 284348), (268, 249335), (335, 199468), (470, 142174), (670, 99734), (940, 71087), (1061, 62980), (1340, 49867), (2122, 31490), (3149, 21220), (4244, 15745), (5305, 12596), (6298, 10610)]