2003783720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1\times {\mathrm{1279}}^1$

素因数の和:2082

約数の個数: 64

約数和(自身を含む): 4603392000

約数和(自身を除く): 2599608280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 739, 1060, 1279, 1478, 2120, 2558, 2956, 3695, 5116, 5912, 6395, 7390, 10232, 12790, 14780, 25580, 29560, 39167, 51160, 67787, 78334, 135574, 156668, 195835, 271148, 313336, 338935, 391670, 542296, 677870, 783340, 945181, 1355740, 1566680, 1890362, 2711480, 3780724, 4725905, 7561448, 9451810, 18903620, 37807240, 50094593, 100189186, 200378372, 250472965, 400756744, 500945930, 1001891860, 2003783720]

約数ペア:

[(1, 2003783720), (2, 1001891860), (4, 500945930), (5, 400756744), (8, 250472965), (10, 200378372), (20, 100189186), (40, 50094593), (53, 37807240), (106, 18903620), (212, 9451810), (265, 7561448), (424, 4725905), (530, 3780724), (739, 2711480), (1060, 1890362), (1279, 1566680), (1478, 1355740), (2120, 945181), (2558, 783340), (2956, 677870), (3695, 542296), (5116, 391670), (5912, 338935), (6395, 313336), (7390, 271148), (10232, 195835), (12790, 156668), (14780, 135574), (25580, 78334), (29560, 67787), (39167, 51160)]