3908000

素因数分解:

$2^5\times 5^3\times {\mathrm{977}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 9611784

約数和(自身を除く): 5703784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 977, 1000, 1954, 2000, 3908, 4000, 4885, 7816, 9770, 15632, 19540, 24425, 31264, 39080, 48850, 78160, 97700, 122125, 156320, 195400, 244250, 390800, 488500, 781600, 977000, 1954000, 3908000]

約数ペア:

[(1, 3908000), (2, 1954000), (4, 977000), (5, 781600), (8, 488500), (10, 390800), (16, 244250), (20, 195400), (25, 156320), (32, 122125), (40, 97700), (50, 78160), (80, 48850), (100, 39080), (125, 31264), (160, 24425), (200, 19540), (250, 15632), (400, 9770), (500, 7816), (800, 4885), (977, 4000), (1000, 3908), (1954, 2000)]