26481440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:346

約数の個数: 96

約数和(自身を含む): 68221440

約数和(自身を除く): 41740000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 281, 304, 310, 380, 496, 562, 589, 608, 620, 760, 992, 1124, 1178, 1240, 1405, 1520, 2248, 2356, 2480, 2810, 2945, 3040, 4496, 4712, 4960, 5339, 5620, 5890, 8711, 8992, 9424, 10678, 11240, 11780, 17422, 18848, 21356, 22480, 23560, 26695, 34844, 42712, 43555, 44960, 47120, 53390, 69688, 85424, 87110, 94240, 106780, 139376, 165509, 170848, 174220, 213560, 278752, 331018, 348440, 427120, 662036, 696880, 827545, 854240, 1324072, 1393760, 1655090, 2648144, 3310180, 5296288, 6620360, 13240720, 26481440]

約数ペア:

[(1, 26481440), (2, 13240720), (4, 6620360), (5, 5296288), (8, 3310180), (10, 2648144), (16, 1655090), (19, 1393760), (20, 1324072), (31, 854240), (32, 827545), (38, 696880), (40, 662036), (62, 427120), (76, 348440), (80, 331018), (95, 278752), (124, 213560), (152, 174220), (155, 170848), (160, 165509), (190, 139376), (248, 106780), (281, 94240), (304, 87110), (310, 85424), (380, 69688), (496, 53390), (562, 47120), (589, 44960), (608, 43555), (620, 42712), (760, 34844), (992, 26695), (1124, 23560), (1178, 22480), (1240, 21356), (1405, 18848), (1520, 17422), (2248, 11780), (2356, 11240), (2480, 10678), (2810, 9424), (2945, 8992), (3040, 8711), (4496, 5890), (4712, 5620), (4960, 5339)]