13326320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 36158400

約数和(自身を除く): 22832080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 449, 530, 560, 742, 848, 898, 1060, 1484, 1796, 1855, 2120, 2245, 2968, 3143, 3592, 3710, 4240, 4490, 5936, 6286, 7184, 7420, 8980, 12572, 14840, 15715, 17960, 23797, 25144, 29680, 31430, 35920, 47594, 50288, 62860, 95188, 118985, 125720, 166579, 190376, 237970, 251440, 333158, 380752, 475940, 666316, 832895, 951880, 1332632, 1665790, 1903760, 2665264, 3331580, 6663160, 13326320]

約数ペア:

[(1, 13326320), (2, 6663160), (4, 3331580), (5, 2665264), (7, 1903760), (8, 1665790), (10, 1332632), (14, 951880), (16, 832895), (20, 666316), (28, 475940), (35, 380752), (40, 333158), (53, 251440), (56, 237970), (70, 190376), (80, 166579), (106, 125720), (112, 118985), (140, 95188), (212, 62860), (265, 50288), (280, 47594), (371, 35920), (424, 31430), (449, 29680), (530, 25144), (560, 23797), (742, 17960), (848, 15715), (898, 14840), (1060, 12572), (1484, 8980), (1796, 7420), (1855, 7184), (2120, 6286), (2245, 5936), (2968, 4490), (3143, 4240), (3592, 3710)]