25260100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 57636936

約数和(自身を除く): 32376836

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 61, 82, 100, 101, 122, 164, 202, 205, 244, 305, 404, 410, 505, 610, 820, 1010, 1025, 1220, 1525, 2020, 2050, 2501, 2525, 3050, 4100, 4141, 5002, 5050, 6100, 6161, 8282, 10004, 10100, 12322, 12505, 16564, 20705, 24644, 25010, 30805, 41410, 50020, 61610, 62525, 82820, 103525, 123220, 125050, 154025, 207050, 250100, 252601, 308050, 414100, 505202, 616100, 1010404, 1263005, 2526010, 5052020, 6315025, 12630050, 25260100]

約数ペア:

[(1, 25260100), (2, 12630050), (4, 6315025), (5, 5052020), (10, 2526010), (20, 1263005), (25, 1010404), (41, 616100), (50, 505202), (61, 414100), (82, 308050), (100, 252601), (101, 250100), (122, 207050), (164, 154025), (202, 125050), (205, 123220), (244, 103525), (305, 82820), (404, 62525), (410, 61610), (505, 50020), (610, 41410), (820, 30805), (1010, 25010), (1025, 24644), (1220, 20705), (1525, 16564), (2020, 12505), (2050, 12322), (2501, 10100), (2525, 10004), (3050, 8282), (4100, 6161), (4141, 6100), (5002, 5050)]