20242000

素因数分解:

$2^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:401

約数の個数: 80

約数和(自身を含む): 50778000

約数和(自身を除く): 30536000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 200, 232, 250, 290, 349, 400, 464, 500, 580, 698, 725, 1000, 1160, 1396, 1450, 1745, 2000, 2320, 2792, 2900, 3490, 3625, 5584, 5800, 6980, 7250, 8725, 10121, 11600, 13960, 14500, 17450, 20242, 27920, 29000, 34900, 40484, 43625, 50605, 58000, 69800, 80968, 87250, 101210, 139600, 161936, 174500, 202420, 253025, 349000, 404840, 506050, 698000, 809680, 1012100, 1265125, 2024200, 2530250, 4048400, 5060500, 10121000, 20242000]

約数ペア:

[(1, 20242000), (2, 10121000), (4, 5060500), (5, 4048400), (8, 2530250), (10, 2024200), (16, 1265125), (20, 1012100), (25, 809680), (29, 698000), (40, 506050), (50, 404840), (58, 349000), (80, 253025), (100, 202420), (116, 174500), (125, 161936), (145, 139600), (200, 101210), (232, 87250), (250, 80968), (290, 69800), (349, 58000), (400, 50605), (464, 43625), (500, 40484), (580, 34900), (698, 29000), (725, 27920), (1000, 20242), (1160, 17450), (1396, 14500), (1450, 13960), (1745, 11600), (2000, 10121), (2320, 8725), (2792, 7250), (2900, 6980), (3490, 5800), (3625, 5584)]