2548554.00000000

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 35760220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 53, 59, 62, 65, 106, 118, 124, 130, 155, 212, 236, 260, 265, 295, 310, 403, 530, 590, 620, 689, 767, 806, 1060, 1180, 1378, 1534, 1612, 1643, 1829, 2015, 2756, 3068, 3127, 3286, 3445, 3658, 3835, 4030, 6254, 6572, 6890, 7316, 7670, 8060, 8215, 9145, 12508, 13780, 15340, 15635, 16430, 18290, 21359, 23777, 31270, 32860, 36580, 40651, 42718, 47554, 62540, 81302, 85436, 95108, 96937, 106795, 118885, 162604, 193874, 203255, 213590, 237770, 387748, 406510, 427180, 475540, 484685, 813020, 969370, 1260181, 1938740, 2520362, 5040724, 6300905, 12601810, 25203620]

約数ペア:

[(1, 25203620), (2, 12601810), (4, 6300905), (5, 5040724), (10, 2520362), (13, 1938740), (20, 1260181), (26, 969370), (31, 813020), (52, 484685), (53, 475540), (59, 427180), (62, 406510), (65, 387748), (106, 237770), (118, 213590), (124, 203255), (130, 193874), (155, 162604), (212, 118885), (236, 106795), (260, 96937), (265, 95108), (295, 85436), (310, 81302), (403, 62540), (530, 47554), (590, 42718), (620, 40651), (689, 36580), (767, 32860), (806, 31270), (1060, 23777), (1180, 21359), (1378, 18290), (1534, 16430), (1612, 15635), (1643, 15340), (1829, 13780), (2015, 12508), (2756, 9145), (3068, 8215), (3127, 8060), (3286, 7670), (3445, 7316), (3658, 6890), (3835, 6572), (4030, 6254)]