82670840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{42179}}^1$

素因数の和:42204

約数の個数: 48

約数和(自身を含む): 216383400

約数和(自身を除く): 133712560

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, 42179, 84358, 168716, 210895, 295253, 337432, 421790, 590506, 843580, 1181012, 1476265, 1687160, 2066771, 2362024, 2952530, 4133542, 5905060, 8267084, 10333855, 11810120, 16534168, 20667710, 41335420, 82670840]

約数ペア:

[(1, 82670840), (2, 41335420), (4, 20667710), (5, 16534168), (7, 11810120), (8, 10333855), (10, 8267084), (14, 5905060), (20, 4133542), (28, 2952530), (35, 2362024), (40, 2066771), (49, 1687160), (56, 1476265), (70, 1181012), (98, 843580), (140, 590506), (196, 421790), (245, 337432), (280, 295253), (392, 210895), (490, 168716), (980, 84358), (1960, 42179)]