71285440

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2503}}^1$

素因数の和:2609

約数の個数: 56

約数和(自身を含む): 171724320

約数和(自身を除く): 100438880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2503, 2848, 3560, 5006, 5696, 7120, 10012, 12515, 14240, 20024, 25030, 28480, 40048, 50060, 80096, 100120, 160192, 200240, 222767, 400480, 445534, 800960, 891068, 1113835, 1782136, 2227670, 3564272, 4455340, 7128544, 8910680, 14257088, 17821360, 35642720, 71285440]

約数ペア:

[(1, 71285440), (2, 35642720), (4, 17821360), (5, 14257088), (8, 8910680), (10, 7128544), (16, 4455340), (20, 3564272), (32, 2227670), (40, 1782136), (64, 1113835), (80, 891068), (89, 800960), (160, 445534), (178, 400480), (320, 222767), (356, 200240), (445, 160192), (712, 100120), (890, 80096), (1424, 50060), (1780, 40048), (2503, 28480), (2848, 25030), (3560, 20024), (5006, 14240), (5696, 12515), (7120, 10012)]