12457788680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{72077}}^1$

素因数の和:72266

約数の個数: 64

約数和(自身を含む): 29191590000

約数和(自身を除く): 16733801320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 149, 232, 290, 298, 580, 596, 745, 1160, 1192, 1490, 2980, 4321, 5960, 8642, 17284, 21605, 34568, 43210, 72077, 86420, 144154, 172840, 288308, 360385, 576616, 720770, 1441540, 2090233, 2883080, 4180466, 8360932, 10451165, 10739473, 16721864, 20902330, 21478946, 41804660, 42957892, 53697365, 83609320, 85915784, 107394730, 214789460, 311444717, 429578920, 622889434, 1245778868, 1557223585, 2491557736, 3114447170, 6228894340, 12457788680]

約数ペア:

[(1, 12457788680), (2, 6228894340), (4, 3114447170), (5, 2491557736), (8, 1557223585), (10, 1245778868), (20, 622889434), (29, 429578920), (40, 311444717), (58, 214789460), (116, 107394730), (145, 85915784), (149, 83609320), (232, 53697365), (290, 42957892), (298, 41804660), (580, 21478946), (596, 20902330), (745, 16721864), (1160, 10739473), (1192, 10451165), (1490, 8360932), (2980, 4180466), (4321, 2883080), (5960, 2090233), (8642, 1441540), (17284, 720770), (21605, 576616), (34568, 360385), (43210, 288308), (72077, 172840), (86420, 144154)]