25369520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 65138688

約数和(自身を除く): 39769168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 227, 254, 440, 454, 508, 635, 880, 908, 1016, 1135, 1270, 1397, 1816, 2032, 2270, 2497, 2540, 2794, 3632, 4540, 4994, 5080, 5588, 6985, 9080, 9988, 10160, 11176, 12485, 13970, 18160, 19976, 22352, 24970, 27940, 28829, 39952, 49940, 55880, 57658, 99880, 111760, 115316, 144145, 199760, 230632, 288290, 317119, 461264, 576580, 634238, 1153160, 1268476, 1585595, 2306320, 2536952, 3171190, 5073904, 6342380, 12684760, 25369520]

約数ペア:

[(1, 25369520), (2, 12684760), (4, 6342380), (5, 5073904), (8, 3171190), (10, 2536952), (11, 2306320), (16, 1585595), (20, 1268476), (22, 1153160), (40, 634238), (44, 576580), (55, 461264), (80, 317119), (88, 288290), (110, 230632), (127, 199760), (176, 144145), (220, 115316), (227, 111760), (254, 99880), (440, 57658), (454, 55880), (508, 49940), (635, 39952), (880, 28829), (908, 27940), (1016, 24970), (1135, 22352), (1270, 19976), (1397, 18160), (1816, 13970), (2032, 12485), (2270, 11176), (2497, 10160), (2540, 9988), (2794, 9080), (3632, 6985), (4540, 5588), (4994, 5080)]