2017889680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{22501}}^1$

素因数の和:22592

約数の個数: 80

約数和(自身を含む): 5022446400

約数和(自身を除く): 3004556720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 590, 760, 944, 1121, 1180, 1520, 2242, 2360, 4484, 4720, 5605, 8968, 11210, 17936, 22420, 22501, 44840, 45002, 89680, 90004, 112505, 180008, 225010, 360016, 427519, 450020, 855038, 900040, 1327559, 1710076, 1800080, 2137595, 2655118, 3420152, 4275190, 5310236, 6637795, 6840304, 8550380, 10620472, 13275590, 17100760, 21240944, 25223621, 26551180, 34201520, 50447242, 53102360, 100894484, 106204720, 126118105, 201788968, 252236210, 403577936, 504472420, 1008944840, 2017889680]

約数ペア:

[(1, 2017889680), (2, 1008944840), (4, 504472420), (5, 403577936), (8, 252236210), (10, 201788968), (16, 126118105), (19, 106204720), (20, 100894484), (38, 53102360), (40, 50447242), (59, 34201520), (76, 26551180), (80, 25223621), (95, 21240944), (118, 17100760), (152, 13275590), (190, 10620472), (236, 8550380), (295, 6840304), (304, 6637795), (380, 5310236), (472, 4275190), (590, 3420152), (760, 2655118), (944, 2137595), (1121, 1800080), (1180, 1710076), (1520, 1327559), (2242, 900040), (2360, 855038), (4484, 450020), (4720, 427519), (5605, 360016), (8968, 225010), (11210, 180008), (17936, 112505), (22420, 90004), (22501, 89680), (44840, 45002)]