16887631720

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1427}}^1\times {\mathrm{1549}}^1$

素因数の和:3178

約数の個数: 64

約数和(自身を含む): 38247552000

約数和(自身を除く): 21359920280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1427, 1528, 1549, 1910, 2854, 3098, 3820, 5708, 6196, 7135, 7640, 7745, 11416, 12392, 14270, 15490, 28540, 30980, 57080, 61960, 272557, 295859, 545114, 591718, 1090228, 1183436, 1362785, 1479295, 2180456, 2210423, 2366872, 2725570, 2958590, 4420846, 5451140, 5917180, 8841692, 10902280, 11052115, 11834360, 17683384, 22104230, 44208460, 88416920, 422190793, 844381586, 1688763172, 2110953965, 3377526344, 4221907930, 8443815860, 16887631720]

約数ペア:

[(1, 16887631720), (2, 8443815860), (4, 4221907930), (5, 3377526344), (8, 2110953965), (10, 1688763172), (20, 844381586), (40, 422190793), (191, 88416920), (382, 44208460), (764, 22104230), (955, 17683384), (1427, 11834360), (1528, 11052115), (1549, 10902280), (1910, 8841692), (2854, 5917180), (3098, 5451140), (3820, 4420846), (5708, 2958590), (6196, 2725570), (7135, 2366872), (7640, 2210423), (7745, 2180456), (11416, 1479295), (12392, 1362785), (14270, 1183436), (15490, 1090228), (28540, 591718), (30980, 545114), (57080, 295859), (61960, 272557)]