89221760

素因数分解:

$2^7\times 5^1\times {\mathrm{139409}}^1$

素因数の和:139428

約数の個数: 32

約数和(自身を含む): 213297300

約数和(自身を除く): 124075540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 139409, 278818, 557636, 697045, 1115272, 1394090, 2230544, 2788180, 4461088, 5576360, 8922176, 11152720, 17844352, 22305440, 44610880, 89221760]

約数ペア:

[(1, 89221760), (2, 44610880), (4, 22305440), (5, 17844352), (8, 11152720), (10, 8922176), (16, 5576360), (20, 4461088), (32, 2788180), (40, 2230544), (64, 1394090), (80, 1115272), (128, 697045), (160, 557636), (320, 278818), (640, 139409)]