2080945720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1061707}}^1$

素因数の和:1061732

約数の個数: 48

約数和(自身を含む): 5446562040

約数和(自身を除く): 3365616320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 1061707, 2123414, 4246828, 5308535, 7431949, 8493656, 10617070, 14863898, 21234140, 29727796, 37159745, 42468280, 52023643, 59455592, 74319490, 104047286, 148638980, 208094572, 260118215, 297277960, 416189144, 520236430, 1040472860, 2080945720]

約数ペア:

[(1, 2080945720), (2, 1040472860), (4, 520236430), (5, 416189144), (7, 297277960), (8, 260118215), (10, 208094572), (14, 148638980), (20, 104047286), (28, 74319490), (35, 59455592), (40, 52023643), (49, 42468280), (56, 37159745), (70, 29727796), (98, 21234140), (140, 14863898), (196, 10617070), (245, 8493656), (280, 7431949), (392, 5308535), (490, 4246828), (980, 2123414), (1960, 1061707)]