920637040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{4153}}^1$

素因数の和:4346

約数の個数: 80

約数和(自身を含む): 2280845088

約数和(自身を除く): 1360208048

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 163, 170, 272, 326, 340, 652, 680, 815, 1304, 1360, 1630, 2608, 2771, 3260, 4153, 5542, 6520, 8306, 11084, 13040, 13855, 16612, 20765, 22168, 27710, 33224, 41530, 44336, 55420, 66448, 70601, 83060, 110840, 141202, 166120, 221680, 282404, 332240, 353005, 564808, 676939, 706010, 1129616, 1353878, 1412020, 2707756, 2824040, 3384695, 5415512, 5648080, 6769390, 10831024, 11507963, 13538780, 23015926, 27077560, 46031852, 54155120, 57539815, 92063704, 115079630, 184127408, 230159260, 460318520, 920637040]

約数ペア:

[(1, 920637040), (2, 460318520), (4, 230159260), (5, 184127408), (8, 115079630), (10, 92063704), (16, 57539815), (17, 54155120), (20, 46031852), (34, 27077560), (40, 23015926), (68, 13538780), (80, 11507963), (85, 10831024), (136, 6769390), (163, 5648080), (170, 5415512), (272, 3384695), (326, 2824040), (340, 2707756), (652, 1412020), (680, 1353878), (815, 1129616), (1304, 706010), (1360, 676939), (1630, 564808), (2608, 353005), (2771, 332240), (3260, 282404), (4153, 221680), (5542, 166120), (6520, 141202), (8306, 110840), (11084, 83060), (13040, 70601), (13855, 66448), (16612, 55420), (20765, 44336), (22168, 41530), (27710, 33224)]