87905920

素因数分解:

$2^7\times 5^1\times {\mathrm{137353}}^1$

素因数の和:137372

約数の個数: 32

約数和(自身を含む): 210151620

約数和(自身を除く): 122245700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 137353, 274706, 549412, 686765, 1098824, 1373530, 2197648, 2747060, 4395296, 5494120, 8790592, 10988240, 17581184, 21976480, 43952960, 87905920]

約数ペア:

[(1, 87905920), (2, 43952960), (4, 21976480), (5, 17581184), (8, 10988240), (10, 8790592), (16, 5494120), (20, 4395296), (32, 2747060), (40, 2197648), (64, 1373530), (80, 1098824), (128, 686765), (160, 549412), (320, 274706), (640, 137353)]