31264000

素因数分解:

$2^8\times 5^3\times {\mathrm{977}}^1$

素因数の和:1008

約数の個数: 72

約数和(自身を含む): 77962248

約数和(自身を除く): 46698248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 977, 1000, 1280, 1600, 1954, 2000, 3200, 3908, 4000, 4885, 6400, 7816, 8000, 9770, 15632, 16000, 19540, 24425, 31264, 32000, 39080, 48850, 62528, 78160, 97700, 122125, 125056, 156320, 195400, 244250, 250112, 312640, 390800, 488500, 625280, 781600, 977000, 1250560, 1563200, 1954000, 3126400, 3908000, 6252800, 7816000, 15632000, 31264000]

約数ペア:

[(1, 31264000), (2, 15632000), (4, 7816000), (5, 6252800), (8, 3908000), (10, 3126400), (16, 1954000), (20, 1563200), (25, 1250560), (32, 977000), (40, 781600), (50, 625280), (64, 488500), (80, 390800), (100, 312640), (125, 250112), (128, 244250), (160, 195400), (200, 156320), (250, 125056), (256, 122125), (320, 97700), (400, 78160), (500, 62528), (640, 48850), (800, 39080), (977, 32000), (1000, 31264), (1280, 24425), (1600, 19540), (1954, 16000), (2000, 15632), (3200, 9770), (3908, 8000), (4000, 7816), (4885, 6400)]