27440720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20177}}^1$

素因数の和:20207

約数の個数: 40

約数和(自身を含む): 67555944

約数和(自身を除く): 40115224

約数列:

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

約数ペア:

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