26399120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 67763520

約数和(自身を除く): 41364400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 131, 176, 220, 229, 262, 440, 458, 524, 655, 880, 916, 1048, 1145, 1310, 1441, 1832, 2096, 2290, 2519, 2620, 2882, 3664, 4580, 5038, 5240, 5764, 7205, 9160, 10076, 10480, 11528, 12595, 14410, 18320, 20152, 23056, 25190, 28820, 29999, 40304, 50380, 57640, 59998, 100760, 115280, 119996, 149995, 201520, 239992, 299990, 329989, 479984, 599980, 659978, 1199960, 1319956, 1649945, 2399920, 2639912, 3299890, 5279824, 6599780, 13199560, 26399120]

約数ペア:

[(1, 26399120), (2, 13199560), (4, 6599780), (5, 5279824), (8, 3299890), (10, 2639912), (11, 2399920), (16, 1649945), (20, 1319956), (22, 1199960), (40, 659978), (44, 599980), (55, 479984), (80, 329989), (88, 299990), (110, 239992), (131, 201520), (176, 149995), (220, 119996), (229, 115280), (262, 100760), (440, 59998), (458, 57640), (524, 50380), (655, 40304), (880, 29999), (916, 28820), (1048, 25190), (1145, 23056), (1310, 20152), (1441, 18320), (1832, 14410), (2096, 12595), (2290, 11528), (2519, 10480), (2620, 10076), (2882, 9160), (3664, 7205), (4580, 5764), (5038, 5240)]