20802319360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131063}}^1$

素因数の和:131119

約数の個数: 88

約数和(自身を含む): 51511297536

約数和(自身を除く): 30708978176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 5120, 7936, 9920, 15872, 19840, 31744, 39680, 79360, 131063, 158720, 262126, 524252, 655315, 1048504, 1310630, 2097008, 2621260, 4062953, 4194016, 5242520, 8125906, 8388032, 10485040, 16251812, 16776064, 20314765, 20970080, 32503624, 33552128, 40629530, 41940160, 65007248, 67104256, 81259060, 83880320, 130014496, 134208512, 162518120, 167760640, 260028992, 325036240, 335521280, 520057984, 650072480, 671042560, 1040115968, 1300144960, 2080231936, 2600289920, 4160463872, 5200579840, 10401159680, 20802319360]

約数ペア:

[(1, 20802319360), (2, 10401159680), (4, 5200579840), (5, 4160463872), (8, 2600289920), (10, 2080231936), (16, 1300144960), (20, 1040115968), (31, 671042560), (32, 650072480), (40, 520057984), (62, 335521280), (64, 325036240), (80, 260028992), (124, 167760640), (128, 162518120), (155, 134208512), (160, 130014496), (248, 83880320), (256, 81259060), (310, 67104256), (320, 65007248), (496, 41940160), (512, 40629530), (620, 33552128), (640, 32503624), (992, 20970080), (1024, 20314765), (1240, 16776064), (1280, 16251812), (1984, 10485040), (2480, 8388032), (2560, 8125906), (3968, 5242520), (4960, 4194016), (5120, 4062953), (7936, 2621260), (9920, 2097008), (15872, 1310630), (19840, 1048504), (31744, 655315), (39680, 524252), (79360, 262126), (131063, 158720)]