55198640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{409}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 147639360

約数和(自身を除く): 92440720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 241, 280, 409, 482, 560, 818, 964, 1205, 1636, 1687, 1928, 2045, 2410, 2863, 3272, 3374, 3856, 4090, 4820, 5726, 6544, 6748, 8180, 8435, 9640, 11452, 13496, 14315, 16360, 16870, 19280, 22904, 26992, 28630, 32720, 33740, 45808, 57260, 67480, 98569, 114520, 134960, 197138, 229040, 394276, 492845, 689983, 788552, 985690, 1379966, 1577104, 1971380, 2759932, 3449915, 3942760, 5519864, 6899830, 7885520, 11039728, 13799660, 27599320, 55198640]

約数ペア:

[(1, 55198640), (2, 27599320), (4, 13799660), (5, 11039728), (7, 7885520), (8, 6899830), (10, 5519864), (14, 3942760), (16, 3449915), (20, 2759932), (28, 1971380), (35, 1577104), (40, 1379966), (56, 985690), (70, 788552), (80, 689983), (112, 492845), (140, 394276), (241, 229040), (280, 197138), (409, 134960), (482, 114520), (560, 98569), (818, 67480), (964, 57260), (1205, 45808), (1636, 33740), (1687, 32720), (1928, 28630), (2045, 26992), (2410, 22904), (2863, 19280), (3272, 16870), (3374, 16360), (3856, 14315), (4090, 13496), (4820, 11452), (5726, 9640), (6544, 8435), (6748, 8180)]