85628240

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2617}}^1$

素因数の和:3039

約数の個数: 40

約数和(自身を含む): 199648680

約数和(自身を除く): 114020440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 2617, 3272, 4090, 5234, 6544, 8180, 10468, 13085, 16360, 20936, 26170, 32720, 41872, 52340, 104680, 209360, 1070353, 2140706, 4281412, 5351765, 8562824, 10703530, 17125648, 21407060, 42814120, 85628240]

約数ペア:

[(1, 85628240), (2, 42814120), (4, 21407060), (5, 17125648), (8, 10703530), (10, 8562824), (16, 5351765), (20, 4281412), (40, 2140706), (80, 1070353), (409, 209360), (818, 104680), (1636, 52340), (2045, 41872), (2617, 32720), (3272, 26170), (4090, 20936), (5234, 16360), (6544, 13085), (8180, 10468)]