52143320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 120657600

約数和(自身を除く): 68514280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 97, 151, 178, 194, 302, 356, 388, 445, 485, 604, 712, 755, 776, 890, 970, 1208, 1510, 1780, 1940, 3020, 3560, 3880, 6040, 8633, 13439, 14647, 17266, 26878, 29294, 34532, 43165, 53756, 58588, 67195, 69064, 73235, 86330, 107512, 117176, 134390, 146470, 172660, 268780, 292940, 345320, 537560, 585880, 1303583, 2607166, 5214332, 6517915, 10428664, 13035830, 26071660, 52143320]

約数ペア:

[(1, 52143320), (2, 26071660), (4, 13035830), (5, 10428664), (8, 6517915), (10, 5214332), (20, 2607166), (40, 1303583), (89, 585880), (97, 537560), (151, 345320), (178, 292940), (194, 268780), (302, 172660), (356, 146470), (388, 134390), (445, 117176), (485, 107512), (604, 86330), (712, 73235), (755, 69064), (776, 67195), (890, 58588), (970, 53756), (1208, 43165), (1510, 34532), (1780, 29294), (1940, 26878), (3020, 17266), (3560, 14647), (3880, 13439), (6040, 8633)]