51445540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3659}}^1$

素因数の和:3724

約数の個数: 48

約数和(自身を含む): 116827200

約数和(自身を除く): 65381660

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 3659, 7030, 7318, 14060, 14636, 18295, 36590, 69521, 73180, 135383, 139042, 270766, 278084, 347605, 541532, 676915, 695210, 1353830, 1390420, 2572277, 2707660, 5144554, 10289108, 12861385, 25722770, 51445540]

約数ペア:

[(1, 51445540), (2, 25722770), (4, 12861385), (5, 10289108), (10, 5144554), (19, 2707660), (20, 2572277), (37, 1390420), (38, 1353830), (74, 695210), (76, 676915), (95, 541532), (148, 347605), (185, 278084), (190, 270766), (370, 139042), (380, 135383), (703, 73180), (740, 69521), (1406, 36590), (2812, 18295), (3515, 14636), (3659, 14060), (7030, 7318)]