55690040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1931}}^1$

素因数の和:2052

約数の個数: 64

約数和(自身を含む): 144668160

約数和(自身を除く): 88978120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 721, 824, 1030, 1442, 1931, 2060, 2884, 3605, 3862, 4120, 5768, 7210, 7724, 9655, 13517, 14420, 15448, 19310, 27034, 28840, 38620, 54068, 67585, 77240, 108136, 135170, 198893, 270340, 397786, 540680, 795572, 994465, 1392251, 1591144, 1988930, 2784502, 3977860, 5569004, 6961255, 7955720, 11138008, 13922510, 27845020, 55690040]

約数ペア:

[(1, 55690040), (2, 27845020), (4, 13922510), (5, 11138008), (7, 7955720), (8, 6961255), (10, 5569004), (14, 3977860), (20, 2784502), (28, 1988930), (35, 1591144), (40, 1392251), (56, 994465), (70, 795572), (103, 540680), (140, 397786), (206, 270340), (280, 198893), (412, 135170), (515, 108136), (721, 77240), (824, 67585), (1030, 54068), (1442, 38620), (1931, 28840), (2060, 27034), (2884, 19310), (3605, 15448), (3862, 14420), (4120, 13517), (5768, 9655), (7210, 7724)]