13909720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 34590240

約数和(自身を除く): 20680520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 313, 404, 440, 505, 626, 808, 1010, 1111, 1252, 1565, 2020, 2222, 2504, 3130, 3443, 4040, 4444, 5555, 6260, 6886, 8888, 11110, 12520, 13772, 17215, 22220, 27544, 31613, 34430, 44440, 63226, 68860, 126452, 137720, 158065, 252904, 316130, 347743, 632260, 695486, 1264520, 1390972, 1738715, 2781944, 3477430, 6954860, 13909720]

約数ペア:

[(1, 13909720), (2, 6954860), (4, 3477430), (5, 2781944), (8, 1738715), (10, 1390972), (11, 1264520), (20, 695486), (22, 632260), (40, 347743), (44, 316130), (55, 252904), (88, 158065), (101, 137720), (110, 126452), (202, 68860), (220, 63226), (313, 44440), (404, 34430), (440, 31613), (505, 27544), (626, 22220), (808, 17215), (1010, 13772), (1111, 12520), (1252, 11110), (1565, 8888), (2020, 6886), (2222, 6260), (2504, 5555), (3130, 4444), (3443, 4040)]