55505840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 149105040

約数和(自身を除く): 93599200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 53, 65, 76, 80, 95, 104, 106, 130, 152, 190, 208, 212, 247, 260, 265, 304, 380, 424, 494, 520, 530, 689, 760, 848, 988, 1007, 1040, 1060, 1235, 1378, 1520, 1976, 2014, 2120, 2470, 2756, 2809, 3445, 3952, 4028, 4240, 4940, 5035, 5512, 5618, 6890, 8056, 9880, 10070, 11024, 11236, 13091, 13780, 14045, 16112, 19760, 20140, 22472, 26182, 27560, 28090, 36517, 40280, 44944, 52364, 53371, 55120, 56180, 65455, 73034, 80560, 104728, 106742, 112360, 130910, 146068, 182585, 209456, 213484, 224720, 261820, 266855, 292136, 365170, 426968, 523640, 533710, 584272, 693823, 730340, 853936, 1047280, 1067420, 1387646, 1460680, 2134840, 2775292, 2921360, 3469115, 4269680, 5550584, 6938230, 11101168, 13876460, 27752920, 55505840]

約数ペア:

[(1, 55505840), (2, 27752920), (4, 13876460), (5, 11101168), (8, 6938230), (10, 5550584), (13, 4269680), (16, 3469115), (19, 2921360), (20, 2775292), (26, 2134840), (38, 1460680), (40, 1387646), (52, 1067420), (53, 1047280), (65, 853936), (76, 730340), (80, 693823), (95, 584272), (104, 533710), (106, 523640), (130, 426968), (152, 365170), (190, 292136), (208, 266855), (212, 261820), (247, 224720), (260, 213484), (265, 209456), (304, 182585), (380, 146068), (424, 130910), (494, 112360), (520, 106742), (530, 104728), (689, 80560), (760, 73034), (848, 65455), (988, 56180), (1007, 55120), (1040, 53371), (1060, 52364), (1235, 44944), (1378, 40280), (1520, 36517), (1976, 28090), (2014, 27560), (2120, 26182), (2470, 22472), (2756, 20140), (2809, 19760), (3445, 16112), (3952, 14045), (4028, 13780), (4240, 13091), (4940, 11236), (5035, 11024), (5512, 10070), (5618, 9880), (6890, 8056)]