65082580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 141261120

約数和(自身を除く): 76178540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 139, 164, 205, 278, 410, 556, 571, 695, 820, 1142, 1390, 2284, 2780, 2855, 5699, 5710, 11398, 11420, 22796, 23411, 28495, 46822, 56990, 79369, 93644, 113980, 117055, 158738, 234110, 317476, 396845, 468220, 793690, 1587380, 3254129, 6508258, 13016516, 16270645, 32541290, 65082580]

約数ペア:

[(1, 65082580), (2, 32541290), (4, 16270645), (5, 13016516), (10, 6508258), (20, 3254129), (41, 1587380), (82, 793690), (139, 468220), (164, 396845), (205, 317476), (278, 234110), (410, 158738), (556, 117055), (571, 113980), (695, 93644), (820, 79369), (1142, 56990), (1390, 46822), (2284, 28495), (2780, 23411), (2855, 22796), (5699, 11420), (5710, 11398)]