87013120

素因数分解:

$2^8\times 5^1\times {\mathrm{67979}}^1$

素因数の和:68000

約数の個数: 36

約数和(自身を含む): 208426680

約数和(自身を除く): 121413560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 67979, 135958, 271916, 339895, 543832, 679790, 1087664, 1359580, 2175328, 2719160, 4350656, 5438320, 8701312, 10876640, 17402624, 21753280, 43506560, 87013120]

約数ペア:

[(1, 87013120), (2, 43506560), (4, 21753280), (5, 17402624), (8, 10876640), (10, 8701312), (16, 5438320), (20, 4350656), (32, 2719160), (40, 2175328), (64, 1359580), (80, 1087664), (128, 679790), (160, 543832), (256, 339895), (320, 271916), (640, 135958), (1280, 67979)]