90289040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{337}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 224061552

約数和(自身を除く): 133772512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 197, 272, 337, 340, 394, 674, 680, 788, 985, 1348, 1360, 1576, 1685, 1970, 2696, 3152, 3349, 3370, 3940, 5392, 5729, 6698, 6740, 7880, 11458, 13396, 13480, 15760, 16745, 22916, 26792, 26960, 28645, 33490, 45832, 53584, 57290, 66389, 66980, 91664, 114580, 132778, 133960, 229160, 265556, 267920, 331945, 458320, 531112, 663890, 1062224, 1128613, 1327780, 2257226, 2655560, 4514452, 5311120, 5643065, 9028904, 11286130, 18057808, 22572260, 45144520, 90289040]

約数ペア:

[(1, 90289040), (2, 45144520), (4, 22572260), (5, 18057808), (8, 11286130), (10, 9028904), (16, 5643065), (17, 5311120), (20, 4514452), (34, 2655560), (40, 2257226), (68, 1327780), (80, 1128613), (85, 1062224), (136, 663890), (170, 531112), (197, 458320), (272, 331945), (337, 267920), (340, 265556), (394, 229160), (674, 133960), (680, 132778), (788, 114580), (985, 91664), (1348, 66980), (1360, 66389), (1576, 57290), (1685, 53584), (1970, 45832), (2696, 33490), (3152, 28645), (3349, 26960), (3370, 26792), (3940, 22916), (5392, 16745), (5729, 15760), (6698, 13480), (6740, 13396), (7880, 11458)]