71317720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{104879}}^1$

素因数の和:104907

約数の個数: 32

約数和(自身を含む): 169905600

約数和(自身を除く): 98587880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 104879, 209758, 419516, 524395, 839032, 1048790, 1782943, 2097580, 3565886, 4195160, 7131772, 8914715, 14263544, 17829430, 35658860, 71317720]

約数ペア:

[(1, 71317720), (2, 35658860), (4, 17829430), (5, 14263544), (8, 8914715), (10, 7131772), (17, 4195160), (20, 3565886), (34, 2097580), (40, 1782943), (68, 1048790), (85, 839032), (136, 524395), (170, 419516), (340, 209758), (680, 104879)]