201633280

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1099

約数の個数: 80

約数和(自身を含む): 490057920

約数和(自身を除く): 288424640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 512, 632, 640, 790, 997, 1264, 1280, 1580, 1994, 2528, 2560, 3160, 3988, 4985, 5056, 6320, 7976, 9970, 10112, 12640, 15952, 19940, 20224, 25280, 31904, 39880, 40448, 50560, 63808, 78763, 79760, 101120, 127616, 157526, 159520, 202240, 255232, 315052, 319040, 393815, 510464, 630104, 638080, 787630, 1260208, 1276160, 1575260, 2520416, 2552320, 3150520, 5040832, 6301040, 10081664, 12602080, 20163328, 25204160, 40326656, 50408320, 100816640, 201633280]

約数ペア:

[(1, 201633280), (2, 100816640), (4, 50408320), (5, 40326656), (8, 25204160), (10, 20163328), (16, 12602080), (20, 10081664), (32, 6301040), (40, 5040832), (64, 3150520), (79, 2552320), (80, 2520416), (128, 1575260), (158, 1276160), (160, 1260208), (256, 787630), (316, 638080), (320, 630104), (395, 510464), (512, 393815), (632, 319040), (640, 315052), (790, 255232), (997, 202240), (1264, 159520), (1280, 157526), (1580, 127616), (1994, 101120), (2528, 79760), (2560, 78763), (3160, 63808), (3988, 50560), (4985, 40448), (5056, 39880), (6320, 31904), (7976, 25280), (9970, 20224), (10112, 19940), (12640, 15952)]