81325580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3847}}^1$

素因数の和:4014

約数の個数: 48

約数和(自身を含む): 196525056

約数和(自身を除く): 115199476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 2114, 3020, 3847, 4228, 5285, 7694, 10570, 15388, 19235, 21140, 26929, 38470, 53858, 76940, 107716, 134645, 269290, 538580, 580897, 1161794, 2323588, 2904485, 4066279, 5808970, 8132558, 11617940, 16265116, 20331395, 40662790, 81325580]

約数ペア:

[(1, 81325580), (2, 40662790), (4, 20331395), (5, 16265116), (7, 11617940), (10, 8132558), (14, 5808970), (20, 4066279), (28, 2904485), (35, 2323588), (70, 1161794), (140, 580897), (151, 538580), (302, 269290), (604, 134645), (755, 107716), (1057, 76940), (1510, 53858), (2114, 38470), (3020, 26929), (3847, 21140), (4228, 19235), (5285, 15388), (7694, 10570)]