8056280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 19180800

約数和(自身を除く): 11124520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 89, 124, 146, 155, 178, 248, 292, 310, 356, 365, 445, 584, 620, 712, 730, 890, 1240, 1460, 1780, 2263, 2759, 2920, 3560, 4526, 5518, 6497, 9052, 11036, 11315, 12994, 13795, 18104, 22072, 22630, 25988, 27590, 32485, 45260, 51976, 55180, 64970, 90520, 110360, 129940, 201407, 259880, 402814, 805628, 1007035, 1611256, 2014070, 4028140, 8056280]

約数ペア:

[(1, 8056280), (2, 4028140), (4, 2014070), (5, 1611256), (8, 1007035), (10, 805628), (20, 402814), (31, 259880), (40, 201407), (62, 129940), (73, 110360), (89, 90520), (124, 64970), (146, 55180), (155, 51976), (178, 45260), (248, 32485), (292, 27590), (310, 25988), (356, 22630), (365, 22072), (445, 18104), (584, 13795), (620, 12994), (712, 11315), (730, 11036), (890, 9052), (1240, 6497), (1460, 5518), (1780, 4526), (2263, 3560), (2759, 2920)]