16809501440

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{320303}}^1$

素因数の和:320365

約数の個数: 72

約数和(自身を含む): 41246186688

約数和(自身を除く): 24436685248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1280, 1312, 1640, 2624, 3280, 5248, 6560, 10496, 13120, 26240, 52480, 320303, 640606, 1281212, 1601515, 2562424, 3203030, 5124848, 6406060, 10249696, 12812120, 13132423, 20499392, 25624240, 26264846, 40998784, 51248480, 52529692, 65662115, 81997568, 102496960, 105059384, 131324230, 204993920, 210118768, 262648460, 409987840, 420237536, 525296920, 840475072, 1050593840, 1680950144, 2101187680, 3361900288, 4202375360, 8404750720, 16809501440]

約数ペア:

[(1, 16809501440), (2, 8404750720), (4, 4202375360), (5, 3361900288), (8, 2101187680), (10, 1680950144), (16, 1050593840), (20, 840475072), (32, 525296920), (40, 420237536), (41, 409987840), (64, 262648460), (80, 210118768), (82, 204993920), (128, 131324230), (160, 105059384), (164, 102496960), (205, 81997568), (256, 65662115), (320, 52529692), (328, 51248480), (410, 40998784), (640, 26264846), (656, 25624240), (820, 20499392), (1280, 13132423), (1312, 12812120), (1640, 10249696), (2624, 6406060), (3280, 5124848), (5248, 3203030), (6560, 2562424), (10496, 1601515), (13120, 1281212), (26240, 640606), (52480, 320303)]