16455760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 40778640

約数和(自身を除く): 24322880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 173, 205, 232, 290, 328, 346, 410, 464, 580, 656, 692, 820, 865, 1160, 1189, 1384, 1640, 1730, 2320, 2378, 2768, 3280, 3460, 4756, 5017, 5945, 6920, 7093, 9512, 10034, 11890, 13840, 14186, 19024, 20068, 23780, 25085, 28372, 35465, 40136, 47560, 50170, 56744, 70930, 80272, 95120, 100340, 113488, 141860, 200680, 205697, 283720, 401360, 411394, 567440, 822788, 1028485, 1645576, 2056970, 3291152, 4113940, 8227880, 16455760]

約数ペア:

[(1, 16455760), (2, 8227880), (4, 4113940), (5, 3291152), (8, 2056970), (10, 1645576), (16, 1028485), (20, 822788), (29, 567440), (40, 411394), (41, 401360), (58, 283720), (80, 205697), (82, 200680), (116, 141860), (145, 113488), (164, 100340), (173, 95120), (205, 80272), (232, 70930), (290, 56744), (328, 50170), (346, 47560), (410, 40136), (464, 35465), (580, 28372), (656, 25085), (692, 23780), (820, 20068), (865, 19024), (1160, 14186), (1189, 13840), (1384, 11890), (1640, 10034), (1730, 9512), (2320, 7093), (2378, 6920), (2768, 5945), (3280, 5017), (3460, 4756)]