16656440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 39463200

約数和(自身を除く): 22806760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 83, 116, 145, 166, 173, 232, 290, 332, 346, 415, 580, 664, 692, 830, 865, 1160, 1384, 1660, 1730, 2407, 3320, 3460, 4814, 5017, 6920, 9628, 10034, 12035, 14359, 19256, 20068, 24070, 25085, 28718, 40136, 48140, 50170, 57436, 71795, 96280, 100340, 114872, 143590, 200680, 287180, 416411, 574360, 832822, 1665644, 2082055, 3331288, 4164110, 8328220, 16656440]

約数ペア:

[(1, 16656440), (2, 8328220), (4, 4164110), (5, 3331288), (8, 2082055), (10, 1665644), (20, 832822), (29, 574360), (40, 416411), (58, 287180), (83, 200680), (116, 143590), (145, 114872), (166, 100340), (173, 96280), (232, 71795), (290, 57436), (332, 50170), (346, 48140), (415, 40136), (580, 28718), (664, 25085), (692, 24070), (830, 20068), (865, 19256), (1160, 14359), (1384, 12035), (1660, 10034), (1730, 9628), (2407, 6920), (3320, 5017), (3460, 4814)]