78527320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 183667680

約数和(自身を除く): 105140360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 296, 370, 388, 485, 547, 740, 776, 970, 1094, 1480, 1940, 2188, 2735, 3589, 3880, 4376, 5470, 7178, 10940, 14356, 17945, 20239, 21880, 28712, 35890, 40478, 53059, 71780, 80956, 101195, 106118, 143560, 161912, 202390, 212236, 265295, 404780, 424472, 530590, 809560, 1061180, 1963183, 2122360, 3926366, 7852732, 9815915, 15705464, 19631830, 39263660, 78527320]

約数ペア:

[(1, 78527320), (2, 39263660), (4, 19631830), (5, 15705464), (8, 9815915), (10, 7852732), (20, 3926366), (37, 2122360), (40, 1963183), (74, 1061180), (97, 809560), (148, 530590), (185, 424472), (194, 404780), (296, 265295), (370, 212236), (388, 202390), (485, 161912), (547, 143560), (740, 106118), (776, 101195), (970, 80956), (1094, 71780), (1480, 53059), (1940, 40478), (2188, 35890), (2735, 28712), (3589, 21880), (3880, 20239), (4376, 17945), (5470, 14356), (7178, 10940)]