2016436720

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1\times {\mathrm{521}}^1$

素因数の和:1114

約数の個数: 80

約数和(自身を含む): 4753624320

約数和(自身を除く): 2737187600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 479, 505, 521, 808, 958, 1010, 1042, 1616, 1916, 2020, 2084, 2395, 2605, 3832, 4040, 4168, 4790, 5210, 7664, 8080, 8336, 9580, 10420, 19160, 20840, 38320, 41680, 48379, 52621, 96758, 105242, 193516, 210484, 241895, 249559, 263105, 387032, 420968, 483790, 499118, 526210, 774064, 841936, 967580, 998236, 1052420, 1247795, 1935160, 1996472, 2104840, 2495590, 3870320, 3992944, 4209680, 4991180, 9982360, 19964720, 25205459, 50410918, 100821836, 126027295, 201643672, 252054590, 403287344, 504109180, 1008218360, 2016436720]

約数ペア:

[(1, 2016436720), (2, 1008218360), (4, 504109180), (5, 403287344), (8, 252054590), (10, 201643672), (16, 126027295), (20, 100821836), (40, 50410918), (80, 25205459), (101, 19964720), (202, 9982360), (404, 4991180), (479, 4209680), (505, 3992944), (521, 3870320), (808, 2495590), (958, 2104840), (1010, 1996472), (1042, 1935160), (1616, 1247795), (1916, 1052420), (2020, 998236), (2084, 967580), (2395, 841936), (2605, 774064), (3832, 526210), (4040, 499118), (4168, 483790), (4790, 420968), (5210, 387032), (7664, 263105), (8080, 249559), (8336, 241895), (9580, 210484), (10420, 193516), (19160, 105242), (20840, 96758), (38320, 52621), (41680, 48379)]