201762640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 485125200

約数和(自身を除く): 283362560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 137, 164, 205, 274, 328, 410, 449, 548, 656, 685, 820, 898, 1096, 1370, 1640, 1796, 2192, 2245, 2740, 3280, 3592, 4490, 5480, 5617, 7184, 8980, 10960, 11234, 17960, 18409, 22468, 28085, 35920, 36818, 44936, 56170, 61513, 73636, 89872, 92045, 112340, 123026, 147272, 184090, 224680, 246052, 294544, 307565, 368180, 449360, 492104, 615130, 736360, 984208, 1230260, 1472720, 2460520, 2522033, 4921040, 5044066, 10088132, 12610165, 20176264, 25220330, 40352528, 50440660, 100881320, 201762640]

約数ペア:

[(1, 201762640), (2, 100881320), (4, 50440660), (5, 40352528), (8, 25220330), (10, 20176264), (16, 12610165), (20, 10088132), (40, 5044066), (41, 4921040), (80, 2522033), (82, 2460520), (137, 1472720), (164, 1230260), (205, 984208), (274, 736360), (328, 615130), (410, 492104), (449, 449360), (548, 368180), (656, 307565), (685, 294544), (820, 246052), (898, 224680), (1096, 184090), (1370, 147272), (1640, 123026), (1796, 112340), (2192, 92045), (2245, 89872), (2740, 73636), (3280, 61513), (3592, 56170), (4490, 44936), (5480, 36818), (5617, 35920), (7184, 28085), (8980, 22468), (10960, 18409), (11234, 17960)]