2011728760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{4937}}^1$

素因数の和:5176

約数の個数: 64

約数和(自身を含む): 4629078720

約数和(自身を除く): 2617349960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 167, 244, 305, 334, 488, 610, 668, 835, 1220, 1336, 1670, 2440, 3340, 4937, 6680, 9874, 10187, 19748, 20374, 24685, 39496, 40748, 49370, 50935, 81496, 98740, 101870, 197480, 203740, 301157, 407480, 602314, 824479, 1204628, 1505785, 1648958, 2409256, 3011570, 3297916, 4122395, 6023140, 6595832, 8244790, 12046280, 16489580, 32979160, 50293219, 100586438, 201172876, 251466095, 402345752, 502932190, 1005864380, 2011728760]

約数ペア:

[(1, 2011728760), (2, 1005864380), (4, 502932190), (5, 402345752), (8, 251466095), (10, 201172876), (20, 100586438), (40, 50293219), (61, 32979160), (122, 16489580), (167, 12046280), (244, 8244790), (305, 6595832), (334, 6023140), (488, 4122395), (610, 3297916), (668, 3011570), (835, 2409256), (1220, 1648958), (1336, 1505785), (1670, 1204628), (2440, 824479), (3340, 602314), (4937, 407480), (6680, 301157), (9874, 203740), (10187, 197480), (19748, 101870), (20374, 98740), (24685, 81496), (39496, 50935), (40748, 49370)]