203420240

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6217}}^1$

素因数の和:6639

約数の個数: 40

約数和(自身を含む): 474184680

約数和(自身を除く): 270764440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6217, 6544, 8180, 12434, 16360, 24868, 31085, 32720, 49736, 62170, 99472, 124340, 248680, 497360, 2542753, 5085506, 10171012, 12713765, 20342024, 25427530, 40684048, 50855060, 101710120, 203420240]

約数ペア:

[(1, 203420240), (2, 101710120), (4, 50855060), (5, 40684048), (8, 25427530), (10, 20342024), (16, 12713765), (20, 10171012), (40, 5085506), (80, 2542753), (409, 497360), (818, 248680), (1636, 124340), (2045, 99472), (3272, 62170), (4090, 49736), (6217, 32720), (6544, 31085), (8180, 24868), (12434, 16360)]