78785600

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1201}}^1$

素因数の和:1264

約数の個数: 84

約数和(自身を含む): 198755508

約数和(自身を除く): 119969908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 160, 164, 200, 205, 320, 328, 400, 410, 656, 800, 820, 1025, 1201, 1312, 1600, 1640, 2050, 2402, 2624, 3280, 4100, 4804, 6005, 6560, 8200, 9608, 12010, 13120, 16400, 19216, 24020, 30025, 32800, 38432, 48040, 49241, 60050, 65600, 76864, 96080, 98482, 120100, 192160, 196964, 240200, 246205, 384320, 393928, 480400, 492410, 787856, 960800, 984820, 1231025, 1575712, 1921600, 1969640, 2462050, 3151424, 3939280, 4924100, 7878560, 9848200, 15757120, 19696400, 39392800, 78785600]

約数ペア:

[(1, 78785600), (2, 39392800), (4, 19696400), (5, 15757120), (8, 9848200), (10, 7878560), (16, 4924100), (20, 3939280), (25, 3151424), (32, 2462050), (40, 1969640), (41, 1921600), (50, 1575712), (64, 1231025), (80, 984820), (82, 960800), (100, 787856), (160, 492410), (164, 480400), (200, 393928), (205, 384320), (320, 246205), (328, 240200), (400, 196964), (410, 192160), (656, 120100), (800, 98482), (820, 96080), (1025, 76864), (1201, 65600), (1312, 60050), (1600, 49241), (1640, 48040), (2050, 38432), (2402, 32800), (2624, 30025), (3280, 24020), (4100, 19216), (4804, 16400), (6005, 13120), (6560, 12010), (8200, 9608)]