42842620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 95090688

約数和(自身を除く): 52248068

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 1607, 2666, 3214, 5332, 6428, 6665, 8035, 13330, 16070, 26660, 32140, 49817, 69101, 99634, 138202, 199268, 249085, 276404, 345505, 498170, 691010, 996340, 1382020, 2142131, 4284262, 8568524, 10710655, 21421310, 42842620]

約数ペア:

[(1, 42842620), (2, 21421310), (4, 10710655), (5, 8568524), (10, 4284262), (20, 2142131), (31, 1382020), (43, 996340), (62, 691010), (86, 498170), (124, 345505), (155, 276404), (172, 249085), (215, 199268), (310, 138202), (430, 99634), (620, 69101), (860, 49817), (1333, 32140), (1607, 26660), (2666, 16070), (3214, 13330), (5332, 8035), (6428, 6665)]