71365760

素因数分解:

$2^7\times 5^1\times {\mathrm{111509}}^1$

素因数の和:111528

約数の個数: 32

約数和(自身を含む): 170610300

約数和(自身を除く): 99244540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 111509, 223018, 446036, 557545, 892072, 1115090, 1784144, 2230180, 3568288, 4460360, 7136576, 8920720, 14273152, 17841440, 35682880, 71365760]

約数ペア:

[(1, 71365760), (2, 35682880), (4, 17841440), (5, 14273152), (8, 8920720), (10, 7136576), (16, 4460360), (20, 3568288), (32, 2230180), (40, 1784144), (64, 1115090), (80, 892072), (128, 557545), (160, 446036), (320, 223018), (640, 111509)]