64880860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7193}}^1$

素因数の和:7254

約数の個数: 48

約数和(自身を含む): 152282592

約数和(自身を除く): 87401732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 7193, 9020, 14386, 28772, 35965, 71930, 79123, 143860, 158246, 294913, 316492, 395615, 589826, 791230, 1179652, 1474565, 1582460, 2949130, 3244043, 5898260, 6488086, 12976172, 16220215, 32440430, 64880860]

約数ペア:

[(1, 64880860), (2, 32440430), (4, 16220215), (5, 12976172), (10, 6488086), (11, 5898260), (20, 3244043), (22, 2949130), (41, 1582460), (44, 1474565), (55, 1179652), (82, 791230), (110, 589826), (164, 395615), (205, 316492), (220, 294913), (410, 158246), (451, 143860), (820, 79123), (902, 71930), (1804, 35965), (2255, 28772), (4510, 14386), (7193, 9020)]