54881440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20177}}^1$

素因数の和:20209

約数の個数: 48

約数和(自身を含む): 137291112

約数和(自身を除く): 82409672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 20177, 40354, 80708, 100885, 161416, 201770, 322832, 343009, 403540, 645664, 686018, 807080, 1372036, 1614160, 1715045, 2744072, 3228320, 3430090, 5488144, 6860180, 10976288, 13720360, 27440720, 54881440]

約数ペア:

[(1, 54881440), (2, 27440720), (4, 13720360), (5, 10976288), (8, 6860180), (10, 5488144), (16, 3430090), (17, 3228320), (20, 2744072), (32, 1715045), (34, 1614160), (40, 1372036), (68, 807080), (80, 686018), (85, 645664), (136, 403540), (160, 343009), (170, 322832), (272, 201770), (340, 161416), (544, 100885), (680, 80708), (1360, 40354), (2720, 20177)]