71425280

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1423

約数の個数: 72

約数和(自身を含む): 175387464

約数和(自身を除く): 103962184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1280, 1312, 1361, 1640, 2624, 2722, 3280, 5248, 5444, 6560, 6805, 10496, 10888, 13120, 13610, 21776, 26240, 27220, 43552, 52480, 54440, 55801, 87104, 108880, 111602, 174208, 217760, 223204, 279005, 348416, 435520, 446408, 558010, 871040, 892816, 1116020, 1742080, 1785632, 2232040, 3571264, 4464080, 7142528, 8928160, 14285056, 17856320, 35712640, 71425280]

約数ペア:

[(1, 71425280), (2, 35712640), (4, 17856320), (5, 14285056), (8, 8928160), (10, 7142528), (16, 4464080), (20, 3571264), (32, 2232040), (40, 1785632), (41, 1742080), (64, 1116020), (80, 892816), (82, 871040), (128, 558010), (160, 446408), (164, 435520), (205, 348416), (256, 279005), (320, 223204), (328, 217760), (410, 174208), (640, 111602), (656, 108880), (820, 87104), (1280, 55801), (1312, 54440), (1361, 52480), (1640, 43552), (2624, 27220), (2722, 26240), (3280, 21776), (5248, 13610), (5444, 13120), (6560, 10888), (6805, 10496)]