55277440

素因数分解:

$2^7\times 5^1\times {\mathrm{86371}}^1$

素因数の和:86390

約数の個数: 32

約数和(自身を含む): 132149160

約数和(自身を除く): 76871720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 86371, 172742, 345484, 431855, 690968, 863710, 1381936, 1727420, 2763872, 3454840, 5527744, 6909680, 11055488, 13819360, 27638720, 55277440]

約数ペア:

[(1, 55277440), (2, 27638720), (4, 13819360), (5, 11055488), (8, 6909680), (10, 5527744), (16, 3454840), (20, 2763872), (32, 1727420), (40, 1381936), (64, 863710), (80, 690968), (128, 431855), (160, 345484), (320, 172742), (640, 86371)]