51570128

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:795

約数の個数: 40

約数和(自身を含む): 103326720

約数和(自身を除く): 51756592

約数列:

[1, 2, 4, 8, 16, 41, 82, 127, 164, 254, 328, 508, 619, 656, 1016, 1238, 2032, 2476, 4952, 5207, 9904, 10414, 20828, 25379, 41656, 50758, 78613, 83312, 101516, 157226, 203032, 314452, 406064, 628904, 1257808, 3223133, 6446266, 12892532, 25785064, 51570128]

約数ペア:

[(1, 51570128), (2, 25785064), (4, 12892532), (8, 6446266), (16, 3223133), (41, 1257808), (82, 628904), (127, 406064), (164, 314452), (254, 203032), (328, 157226), (508, 101516), (619, 83312), (656, 78613), (1016, 50758), (1238, 41656), (2032, 25379), (2476, 20828), (4952, 10414), (5207, 9904)]