77180860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1543}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 168864192

約数和(自身を除く): 91683332

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 1543, 2501, 3086, 5002, 6172, 7715, 10004, 12505, 15430, 25010, 30860, 50020, 63263, 94123, 126526, 188246, 253052, 316315, 376492, 470615, 632630, 941230, 1265260, 1882460, 3859043, 7718086, 15436172, 19295215, 38590430, 77180860]

約数ペア:

[(1, 77180860), (2, 38590430), (4, 19295215), (5, 15436172), (10, 7718086), (20, 3859043), (41, 1882460), (61, 1265260), (82, 941230), (122, 632630), (164, 470615), (205, 376492), (244, 316315), (305, 253052), (410, 188246), (610, 126526), (820, 94123), (1220, 63263), (1543, 50020), (2501, 30860), (3086, 25010), (5002, 15430), (6172, 12505), (7715, 10004)]