71384960

素因数分解:

$2^7\times 5^1\times {\mathrm{111539}}^1$

素因数の和:111558

約数の個数: 32

約数和(自身を含む): 170656200

約数和(自身を除く): 99271240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 111539, 223078, 446156, 557695, 892312, 1115390, 1784624, 2230780, 3569248, 4461560, 7138496, 8923120, 14276992, 17846240, 35692480, 71384960]

約数ペア:

[(1, 71384960), (2, 35692480), (4, 17846240), (5, 14276992), (8, 8923120), (10, 7138496), (16, 4461560), (20, 3569248), (32, 2230780), (40, 1784624), (64, 1115390), (80, 892312), (128, 557695), (160, 446156), (320, 223078), (640, 111539)]