39879640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1180

約数の個数: 64

約数和(自身を含む): 95904000

約数和(自身を除く): 56024360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1109, 1160, 1240, 1798, 2218, 3596, 4436, 4495, 5545, 7192, 8872, 8990, 11090, 17980, 22180, 32161, 34379, 35960, 44360, 64322, 68758, 128644, 137516, 160805, 171895, 257288, 275032, 321610, 343790, 643220, 687580, 996991, 1286440, 1375160, 1993982, 3987964, 4984955, 7975928, 9969910, 19939820, 39879640]

約数ペア:

[(1, 39879640), (2, 19939820), (4, 9969910), (5, 7975928), (8, 4984955), (10, 3987964), (20, 1993982), (29, 1375160), (31, 1286440), (40, 996991), (58, 687580), (62, 643220), (116, 343790), (124, 321610), (145, 275032), (155, 257288), (232, 171895), (248, 160805), (290, 137516), (310, 128644), (580, 68758), (620, 64322), (899, 44360), (1109, 35960), (1160, 34379), (1240, 32161), (1798, 22180), (2218, 17980), (3596, 11090), (4436, 8990), (4495, 8872), (5545, 7192)]