55297780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1423}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 122008320

約数和(自身を除く): 66710540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 335, 580, 670, 1340, 1423, 1943, 2846, 3886, 5692, 7115, 7772, 9715, 14230, 19430, 28460, 38860, 41267, 82534, 95341, 165068, 190682, 206335, 381364, 412670, 476705, 825340, 953410, 1906820, 2764889, 5529778, 11059556, 13824445, 27648890, 55297780]

約数ペア:

[(1, 55297780), (2, 27648890), (4, 13824445), (5, 11059556), (10, 5529778), (20, 2764889), (29, 1906820), (58, 953410), (67, 825340), (116, 476705), (134, 412670), (145, 381364), (268, 206335), (290, 190682), (335, 165068), (580, 95341), (670, 82534), (1340, 41267), (1423, 38860), (1943, 28460), (2846, 19430), (3886, 14230), (5692, 9715), (7115, 7772)]