40816180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2903}}^1$

素因数の和:2968

約数の個数: 48

約数和(自身を含む): 92695680

約数和(自身を除く): 51879500

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 2903, 3515, 5806, 7030, 11612, 14060, 14515, 29030, 55157, 58060, 107411, 110314, 214822, 220628, 275785, 429644, 537055, 551570, 1074110, 1103140, 2040809, 2148220, 4081618, 8163236, 10204045, 20408090, 40816180]

約数ペア:

[(1, 40816180), (2, 20408090), (4, 10204045), (5, 8163236), (10, 4081618), (19, 2148220), (20, 2040809), (37, 1103140), (38, 1074110), (74, 551570), (76, 537055), (95, 429644), (148, 275785), (185, 220628), (190, 214822), (370, 110314), (380, 107411), (703, 58060), (740, 55157), (1406, 29030), (2812, 14515), (2903, 14060), (3515, 11612), (5806, 7030)]