25560220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 64745856

約数和(自身を除く): 39185636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 61, 70, 73, 82, 122, 140, 146, 164, 205, 244, 287, 292, 305, 365, 410, 427, 511, 574, 610, 730, 820, 854, 1022, 1148, 1220, 1435, 1460, 1708, 2044, 2135, 2501, 2555, 2870, 2993, 4270, 4453, 5002, 5110, 5740, 5986, 8540, 8906, 10004, 10220, 11972, 12505, 14965, 17507, 17812, 20951, 22265, 25010, 29930, 31171, 35014, 41902, 44530, 50020, 59860, 62342, 70028, 83804, 87535, 89060, 104755, 124684, 155855, 175070, 182573, 209510, 311710, 350140, 365146, 419020, 623420, 730292, 912865, 1278011, 1825730, 2556022, 3651460, 5112044, 6390055, 12780110, 25560220]

約数ペア:

[(1, 25560220), (2, 12780110), (4, 6390055), (5, 5112044), (7, 3651460), (10, 2556022), (14, 1825730), (20, 1278011), (28, 912865), (35, 730292), (41, 623420), (61, 419020), (70, 365146), (73, 350140), (82, 311710), (122, 209510), (140, 182573), (146, 175070), (164, 155855), (205, 124684), (244, 104755), (287, 89060), (292, 87535), (305, 83804), (365, 70028), (410, 62342), (427, 59860), (511, 50020), (574, 44530), (610, 41902), (730, 35014), (820, 31171), (854, 29930), (1022, 25010), (1148, 22265), (1220, 20951), (1435, 17812), (1460, 17507), (1708, 14965), (2044, 12505), (2135, 11972), (2501, 10220), (2555, 10004), (2870, 8906), (2993, 8540), (4270, 5986), (4453, 5740), (5002, 5110)]