55247440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1913}}^1$

素因数の和:1964

約数の個数: 60

約数和(自身を含む): 135637524

約数和(自身を除く): 80390084

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 1913, 2888, 3610, 3826, 5776, 7220, 7652, 9565, 14440, 15304, 19130, 28880, 30608, 36347, 38260, 72694, 76520, 145388, 153040, 181735, 290776, 363470, 581552, 690593, 726940, 1381186, 1453880, 2762372, 2907760, 3452965, 5524744, 6905930, 11049488, 13811860, 27623720, 55247440]

約数ペア:

[(1, 55247440), (2, 27623720), (4, 13811860), (5, 11049488), (8, 6905930), (10, 5524744), (16, 3452965), (19, 2907760), (20, 2762372), (38, 1453880), (40, 1381186), (76, 726940), (80, 690593), (95, 581552), (152, 363470), (190, 290776), (304, 181735), (361, 153040), (380, 145388), (722, 76520), (760, 72694), (1444, 38260), (1520, 36347), (1805, 30608), (1913, 28880), (2888, 19130), (3610, 15304), (3826, 14440), (5776, 9565), (7220, 7652)]