40091800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{4091}}^1$

素因数の和:4121

約数の個数: 72

約数和(自身を含む): 108458460

約数和(自身を除く): 68366660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4091, 4900, 8182, 9800, 16364, 20455, 28637, 32728, 40910, 57274, 81820, 102275, 114548, 143185, 163640, 200459, 204550, 229096, 286370, 400918, 409100, 572740, 715925, 801836, 818200, 1002295, 1145480, 1431850, 1603672, 2004590, 2863700, 4009180, 5011475, 5727400, 8018360, 10022950, 20045900, 40091800]

約数ペア:

[(1, 40091800), (2, 20045900), (4, 10022950), (5, 8018360), (7, 5727400), (8, 5011475), (10, 4009180), (14, 2863700), (20, 2004590), (25, 1603672), (28, 1431850), (35, 1145480), (40, 1002295), (49, 818200), (50, 801836), (56, 715925), (70, 572740), (98, 409100), (100, 400918), (140, 286370), (175, 229096), (196, 204550), (200, 200459), (245, 163640), (280, 143185), (350, 114548), (392, 102275), (490, 81820), (700, 57274), (980, 40910), (1225, 32728), (1400, 28637), (1960, 20455), (2450, 16364), (4091, 9800), (4900, 8182)]