67485140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 148055040

約数和(自身を除く): 80569900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1223, 1780, 2446, 2759, 4892, 5518, 6115, 11036, 12230, 13795, 24460, 27590, 37913, 55180, 75826, 108847, 151652, 189565, 217694, 379130, 435388, 544235, 758260, 1088470, 2176940, 3374257, 6748514, 13497028, 16871285, 33742570, 67485140]

約数ペア:

[(1, 67485140), (2, 33742570), (4, 16871285), (5, 13497028), (10, 6748514), (20, 3374257), (31, 2176940), (62, 1088470), (89, 758260), (124, 544235), (155, 435388), (178, 379130), (310, 217694), (356, 189565), (445, 151652), (620, 108847), (890, 75826), (1223, 55180), (1780, 37913), (2446, 27590), (2759, 24460), (4892, 13795), (5518, 12230), (6115, 11036)]