80900500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{4373}}^1$

素因数の和:4429

約数の個数: 48

約数和(自身を含む): 181503504

約数和(自身を除く): 100603004

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 148, 185, 250, 370, 500, 740, 925, 1850, 3700, 4373, 4625, 8746, 9250, 17492, 18500, 21865, 43730, 87460, 109325, 161801, 218650, 323602, 437300, 546625, 647204, 809005, 1093250, 1618010, 2186500, 3236020, 4045025, 8090050, 16180100, 20225125, 40450250, 80900500]

約数ペア:

[(1, 80900500), (2, 40450250), (4, 20225125), (5, 16180100), (10, 8090050), (20, 4045025), (25, 3236020), (37, 2186500), (50, 1618010), (74, 1093250), (100, 809005), (125, 647204), (148, 546625), (185, 437300), (250, 323602), (370, 218650), (500, 161801), (740, 109325), (925, 87460), (1850, 43730), (3700, 21865), (4373, 18500), (4625, 17492), (8746, 9250)]