16664960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2035

約数の個数: 64

約数和(自身を含む): 42925680

約数和(自身を除く): 26260720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2003, 2080, 4006, 4160, 8012, 8320, 10015, 16024, 20030, 26039, 32048, 40060, 52078, 64096, 80120, 104156, 128192, 130195, 160240, 208312, 256384, 260390, 320480, 416624, 520780, 640960, 833248, 1041560, 1281920, 1666496, 2083120, 3332992, 4166240, 8332480, 16664960]

約数ペア:

[(1, 16664960), (2, 8332480), (4, 4166240), (5, 3332992), (8, 2083120), (10, 1666496), (13, 1281920), (16, 1041560), (20, 833248), (26, 640960), (32, 520780), (40, 416624), (52, 320480), (64, 260390), (65, 256384), (80, 208312), (104, 160240), (128, 130195), (130, 128192), (160, 104156), (208, 80120), (260, 64096), (320, 52078), (416, 40060), (520, 32048), (640, 26039), (832, 20030), (1040, 16024), (1664, 10015), (2003, 8320), (2080, 8012), (4006, 4160)]