65256580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 141084720

約数和(自身を除く): 75828140

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 122, 178, 244, 305, 356, 445, 601, 610, 890, 1202, 1220, 1780, 2404, 3005, 5429, 6010, 10858, 12020, 21716, 27145, 36661, 53489, 54290, 73322, 106978, 108580, 146644, 183305, 213956, 267445, 366610, 534890, 733220, 1069780, 3262829, 6525658, 13051316, 16314145, 32628290, 65256580]

約数ペア:

[(1, 65256580), (2, 32628290), (4, 16314145), (5, 13051316), (10, 6525658), (20, 3262829), (61, 1069780), (89, 733220), (122, 534890), (178, 366610), (244, 267445), (305, 213956), (356, 183305), (445, 146644), (601, 108580), (610, 106978), (890, 73322), (1202, 54290), (1220, 53489), (1780, 36661), (2404, 27145), (3005, 21716), (5429, 12020), (6010, 10858)]