22166440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 52390800

約数和(自身を除く): 30224360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 97, 116, 145, 194, 197, 232, 290, 388, 394, 485, 580, 776, 788, 970, 985, 1160, 1576, 1940, 1970, 2813, 3880, 3940, 5626, 5713, 7880, 11252, 11426, 14065, 19109, 22504, 22852, 28130, 28565, 38218, 45704, 56260, 57130, 76436, 95545, 112520, 114260, 152872, 191090, 228520, 382180, 554161, 764360, 1108322, 2216644, 2770805, 4433288, 5541610, 11083220, 22166440]

約数ペア:

[(1, 22166440), (2, 11083220), (4, 5541610), (5, 4433288), (8, 2770805), (10, 2216644), (20, 1108322), (29, 764360), (40, 554161), (58, 382180), (97, 228520), (116, 191090), (145, 152872), (194, 114260), (197, 112520), (232, 95545), (290, 76436), (388, 57130), (394, 56260), (485, 45704), (580, 38218), (776, 28565), (788, 28130), (970, 22852), (985, 22504), (1160, 19109), (1576, 14065), (1940, 11426), (1970, 11252), (2813, 7880), (3880, 5713), (3940, 5626)]