40816890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 111196800

約数和(自身を除く): 70379910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 53, 86, 90, 106, 129, 159, 199, 215, 258, 265, 318, 387, 398, 430, 477, 530, 597, 645, 774, 795, 954, 995, 1194, 1290, 1590, 1791, 1935, 1990, 2279, 2385, 2985, 3582, 3870, 4558, 4770, 5970, 6837, 8557, 8955, 10547, 11395, 13674, 17114, 17910, 20511, 21094, 22790, 25671, 31641, 34185, 41022, 42785, 51342, 52735, 63282, 68370, 77013, 85570, 94923, 102555, 105470, 128355, 154026, 158205, 189846, 205110, 256710, 316410, 385065, 453521, 474615, 770130, 907042, 949230, 1360563, 2267605, 2721126, 4081689, 4535210, 6802815, 8163378, 13605630, 20408445, 40816890]

約数ペア:

[(1, 40816890), (2, 20408445), (3, 13605630), (5, 8163378), (6, 6802815), (9, 4535210), (10, 4081689), (15, 2721126), (18, 2267605), (30, 1360563), (43, 949230), (45, 907042), (53, 770130), (86, 474615), (90, 453521), (106, 385065), (129, 316410), (159, 256710), (199, 205110), (215, 189846), (258, 158205), (265, 154026), (318, 128355), (387, 105470), (398, 102555), (430, 94923), (477, 85570), (530, 77013), (597, 68370), (645, 63282), (774, 52735), (795, 51342), (954, 42785), (995, 41022), (1194, 34185), (1290, 31641), (1590, 25671), (1791, 22790), (1935, 21094), (1990, 20511), (2279, 17910), (2385, 17114), (2985, 13674), (3582, 11395), (3870, 10547), (4558, 8955), (4770, 8557), (5970, 6837)]