204616640

素因数分解:

$2^6\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1033}}^1$

素因数の和:1669

約数の個数: 56

約数和(自身を含む): 488502960

約数和(自身を除く): 283886320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 619, 1033, 1238, 2066, 2476, 3095, 4132, 4952, 5165, 6190, 8264, 9904, 10330, 12380, 16528, 19808, 20660, 24760, 33056, 39616, 41320, 49520, 66112, 82640, 99040, 165280, 198080, 330560, 639427, 1278854, 2557708, 3197135, 5115416, 6394270, 10230832, 12788540, 20461664, 25577080, 40923328, 51154160, 102308320, 204616640]

約数ペア:

[(1, 204616640), (2, 102308320), (4, 51154160), (5, 40923328), (8, 25577080), (10, 20461664), (16, 12788540), (20, 10230832), (32, 6394270), (40, 5115416), (64, 3197135), (80, 2557708), (160, 1278854), (320, 639427), (619, 330560), (1033, 198080), (1238, 165280), (2066, 99040), (2476, 82640), (3095, 66112), (4132, 49520), (4952, 41320), (5165, 39616), (6190, 33056), (8264, 24760), (9904, 20660), (10330, 19808), (12380, 16528)]