71783680

素因数分解:

$2^8\times 5^1\times {\mathrm{56081}}^1$

素因数の和:56102

約数の個数: 36

約数和(自身を含む): 171947412

約数和(自身を除く): 100163732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 56081, 112162, 224324, 280405, 448648, 560810, 897296, 1121620, 1794592, 2243240, 3589184, 4486480, 7178368, 8972960, 14356736, 17945920, 35891840, 71783680]

約数ペア:

[(1, 71783680), (2, 35891840), (4, 17945920), (5, 14356736), (8, 8972960), (10, 7178368), (16, 4486480), (20, 3589184), (32, 2243240), (40, 1794592), (64, 1121620), (80, 897296), (128, 560810), (160, 448648), (256, 280405), (320, 224324), (640, 112162), (1280, 56081)]