1251530240

素因数分解:

$2^9\times 5^1\times {\mathrm{488879}}^1$

素因数の和:488902

約数の個数: 40

約数和(自身を含む): 3000745440

約数和(自身を除く): 1749215200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 488879, 977758, 1955516, 2444395, 3911032, 4888790, 7822064, 9777580, 15644128, 19555160, 31288256, 39110320, 62576512, 78220640, 125153024, 156441280, 250306048, 312882560, 625765120, 1251530240]

約数ペア:

[(1, 1251530240), (2, 625765120), (4, 312882560), (5, 250306048), (8, 156441280), (10, 125153024), (16, 78220640), (20, 62576512), (32, 39110320), (40, 31288256), (64, 19555160), (80, 15644128), (128, 9777580), (160, 7822064), (256, 4888790), (320, 3911032), (512, 2444395), (640, 1955516), (1280, 977758), (2560, 488879)]