80968000

素因数分解:

$2^6\times 5^3\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:405

約数の個数: 112

約数和(自身を含む): 208026000

約数和(自身を除く): 127058000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 125, 145, 160, 200, 232, 250, 290, 320, 349, 400, 464, 500, 580, 698, 725, 800, 928, 1000, 1160, 1396, 1450, 1600, 1745, 1856, 2000, 2320, 2792, 2900, 3490, 3625, 4000, 4640, 5584, 5800, 6980, 7250, 8000, 8725, 9280, 10121, 11168, 11600, 13960, 14500, 17450, 20242, 22336, 23200, 27920, 29000, 34900, 40484, 43625, 46400, 50605, 55840, 58000, 69800, 80968, 87250, 101210, 111680, 116000, 139600, 161936, 174500, 202420, 232000, 253025, 279200, 323872, 349000, 404840, 506050, 558400, 647744, 698000, 809680, 1012100, 1265125, 1396000, 1619360, 2024200, 2530250, 2792000, 3238720, 4048400, 5060500, 8096800, 10121000, 16193600, 20242000, 40484000, 80968000]

約数ペア:

[(1, 80968000), (2, 40484000), (4, 20242000), (5, 16193600), (8, 10121000), (10, 8096800), (16, 5060500), (20, 4048400), (25, 3238720), (29, 2792000), (32, 2530250), (40, 2024200), (50, 1619360), (58, 1396000), (64, 1265125), (80, 1012100), (100, 809680), (116, 698000), (125, 647744), (145, 558400), (160, 506050), (200, 404840), (232, 349000), (250, 323872), (290, 279200), (320, 253025), (349, 232000), (400, 202420), (464, 174500), (500, 161936), (580, 139600), (698, 116000), (725, 111680), (800, 101210), (928, 87250), (1000, 80968), (1160, 69800), (1396, 58000), (1450, 55840), (1600, 50605), (1745, 46400), (1856, 43625), (2000, 40484), (2320, 34900), (2792, 29000), (2900, 27920), (3490, 23200), (3625, 22336), (4000, 20242), (4640, 17450), (5584, 14500), (5800, 13960), (6980, 11600), (7250, 11168), (8000, 10121), (8725, 9280)]