71636480

素因数分解:

$2^9\times 5^1\times {\mathrm{27983}}^1$

素因数の和:28006

約数の個数: 40

約数和(自身を含む): 171765792

約数和(自身を除く): 100129312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 27983, 55966, 111932, 139915, 223864, 279830, 447728, 559660, 895456, 1119320, 1790912, 2238640, 3581824, 4477280, 7163648, 8954560, 14327296, 17909120, 35818240, 71636480]

約数ペア:

[(1, 71636480), (2, 35818240), (4, 17909120), (5, 14327296), (8, 8954560), (10, 7163648), (16, 4477280), (20, 3581824), (32, 2238640), (40, 1790912), (64, 1119320), (80, 895456), (128, 559660), (160, 447728), (256, 279830), (320, 223864), (512, 139915), (640, 111932), (1280, 55966), (2560, 27983)]