39855280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 98431200

約数和(自身を除く): 58575920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 205, 232, 290, 328, 410, 419, 464, 580, 656, 820, 838, 1160, 1189, 1640, 1676, 2095, 2320, 2378, 3280, 3352, 4190, 4756, 5945, 6704, 8380, 9512, 11890, 12151, 16760, 17179, 19024, 23780, 24302, 33520, 34358, 47560, 48604, 60755, 68716, 85895, 95120, 97208, 121510, 137432, 171790, 194416, 243020, 274864, 343580, 486040, 498191, 687160, 972080, 996382, 1374320, 1992764, 2490955, 3985528, 4981910, 7971056, 9963820, 19927640, 39855280]

約数ペア:

[(1, 39855280), (2, 19927640), (4, 9963820), (5, 7971056), (8, 4981910), (10, 3985528), (16, 2490955), (20, 1992764), (29, 1374320), (40, 996382), (41, 972080), (58, 687160), (80, 498191), (82, 486040), (116, 343580), (145, 274864), (164, 243020), (205, 194416), (232, 171790), (290, 137432), (328, 121510), (410, 97208), (419, 95120), (464, 85895), (580, 68716), (656, 60755), (820, 48604), (838, 47560), (1160, 34358), (1189, 33520), (1640, 24302), (1676, 23780), (2095, 19024), (2320, 17179), (2378, 16760), (3280, 12151), (3352, 11890), (4190, 9512), (4756, 8380), (5945, 6704)]