55959280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4139}}^1$

素因数の和:4178

約数の個数: 60

約数和(自身を含む): 140917320

約数和(自身を除く): 84958040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 4139, 6760, 8278, 13520, 16556, 20695, 33112, 41390, 53807, 66224, 82780, 107614, 165560, 215228, 269035, 331120, 430456, 538070, 699491, 860912, 1076140, 1398982, 2152280, 2797964, 3497455, 4304560, 5595928, 6994910, 11191856, 13989820, 27979640, 55959280]

約数ペア:

[(1, 55959280), (2, 27979640), (4, 13989820), (5, 11191856), (8, 6994910), (10, 5595928), (13, 4304560), (16, 3497455), (20, 2797964), (26, 2152280), (40, 1398982), (52, 1076140), (65, 860912), (80, 699491), (104, 538070), (130, 430456), (169, 331120), (208, 269035), (260, 215228), (338, 165560), (520, 107614), (676, 82780), (845, 66224), (1040, 53807), (1352, 41390), (1690, 33112), (2704, 20695), (3380, 16556), (4139, 13520), (6760, 8278)]