12505600

素因数分解:

$2^9\times 5^2\times {\mathrm{977}}^1$

素因数の和:1005

約数の個数: 60

約数和(自身を含む): 31015314

約数和(自身を除く): 18509714

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 977, 1280, 1600, 1954, 2560, 3200, 3908, 4885, 6400, 7816, 9770, 12800, 15632, 19540, 24425, 31264, 39080, 48850, 62528, 78160, 97700, 125056, 156320, 195400, 250112, 312640, 390800, 500224, 625280, 781600, 1250560, 1563200, 2501120, 3126400, 6252800, 12505600]

約数ペア:

[(1, 12505600), (2, 6252800), (4, 3126400), (5, 2501120), (8, 1563200), (10, 1250560), (16, 781600), (20, 625280), (25, 500224), (32, 390800), (40, 312640), (50, 250112), (64, 195400), (80, 156320), (100, 125056), (128, 97700), (160, 78160), (200, 62528), (256, 48850), (320, 39080), (400, 31264), (512, 24425), (640, 19540), (800, 15632), (977, 12800), (1280, 9770), (1600, 7816), (1954, 6400), (2560, 4885), (3200, 3908)]