54181520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9539}}^1$

素因数の和:9623

約数の個数: 40

約数和(自身を含む): 127759680

約数和(自身を除く): 73578160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 9539, 19078, 38156, 47695, 76312, 95390, 152624, 190780, 381560, 677269, 763120, 1354538, 2709076, 3386345, 5418152, 6772690, 10836304, 13545380, 27090760, 54181520]

約数ペア:

[(1, 54181520), (2, 27090760), (4, 13545380), (5, 10836304), (8, 6772690), (10, 5418152), (16, 3386345), (20, 2709076), (40, 1354538), (71, 763120), (80, 677269), (142, 381560), (284, 190780), (355, 152624), (568, 95390), (710, 76312), (1136, 47695), (1420, 38156), (2840, 19078), (5680, 9539)]