2015125540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{6779}}^1$

素因数の和:7044

約数の個数: 48

約数和(自身を含む): 4305571200

約数和(自身を除く): 2290445660

約数列:

[1, 2, 4, 5, 10, 20, 89, 167, 178, 334, 356, 445, 668, 835, 890, 1670, 1780, 3340, 6779, 13558, 14863, 27116, 29726, 33895, 59452, 67790, 74315, 135580, 148630, 297260, 603331, 1132093, 1206662, 2264186, 2413324, 3016655, 4528372, 5660465, 6033310, 11320930, 12066620, 22641860, 100756277, 201512554, 403025108, 503781385, 1007562770, 2015125540]

約数ペア:

[(1, 2015125540), (2, 1007562770), (4, 503781385), (5, 403025108), (10, 201512554), (20, 100756277), (89, 22641860), (167, 12066620), (178, 11320930), (334, 6033310), (356, 5660465), (445, 4528372), (668, 3016655), (835, 2413324), (890, 2264186), (1670, 1206662), (1780, 1132093), (3340, 603331), (6779, 297260), (13558, 148630), (14863, 135580), (27116, 74315), (29726, 67790), (33895, 59452)]