125036480

素因数分解:

$2^6\times 5^1\times {\mathrm{390739}}^1$

素因数の和:390756

約数の個数: 28

約数和(自身を含む): 297743880

約数和(自身を除く): 172707400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 390739, 781478, 1562956, 1953695, 3125912, 3907390, 6251824, 7814780, 12503648, 15629560, 25007296, 31259120, 62518240, 125036480]

約数ペア:

[(1, 125036480), (2, 62518240), (4, 31259120), (5, 25007296), (8, 15629560), (10, 12503648), (16, 7814780), (20, 6251824), (32, 3907390), (40, 3125912), (64, 1953695), (80, 1562956), (160, 781478), (320, 390739)]