1640381710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1\times {\mathrm{653}}^1$

素因数の和:1269

約数の個数: 64

約数和(自身を含む): 3310663104

約数和(自身を除く): 1670281394

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 557, 653, 902, 1114, 1306, 2255, 2785, 3265, 4510, 5570, 6127, 6530, 7183, 12254, 14366, 22837, 26773, 30635, 35915, 45674, 53546, 61270, 71830, 114185, 133865, 228370, 251207, 267730, 294503, 363721, 502414, 589006, 727442, 1256035, 1472515, 1818605, 2512070, 2945030, 3637210, 4000931, 8001862, 14912561, 20004655, 29825122, 40009310, 74562805, 149125610, 164038171, 328076342, 820190855, 1640381710]

約数ペア:

[(1, 1640381710), (2, 820190855), (5, 328076342), (10, 164038171), (11, 149125610), (22, 74562805), (41, 40009310), (55, 29825122), (82, 20004655), (110, 14912561), (205, 8001862), (410, 4000931), (451, 3637210), (557, 2945030), (653, 2512070), (902, 1818605), (1114, 1472515), (1306, 1256035), (2255, 727442), (2785, 589006), (3265, 502414), (4510, 363721), (5570, 294503), (6127, 267730), (6530, 251207), (7183, 228370), (12254, 133865), (14366, 114185), (22837, 71830), (26773, 61270), (30635, 53546), (35915, 45674)]