71812480

素因数分解:

$2^7\times 5^1\times {\mathrm{112207}}^1$

素因数の和:112226

約数の個数: 32

約数和(自身を含む): 171678240

約数和(自身を除く): 99865760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 112207, 224414, 448828, 561035, 897656, 1122070, 1795312, 2244140, 3590624, 4488280, 7181248, 8976560, 14362496, 17953120, 35906240, 71812480]

約数ペア:

[(1, 71812480), (2, 35906240), (4, 17953120), (5, 14362496), (8, 8976560), (10, 7181248), (16, 4488280), (20, 3590624), (32, 2244140), (40, 1795312), (64, 1122070), (80, 897656), (128, 561035), (160, 448828), (320, 224414), (640, 112207)]