39840460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 93442608

約数和(自身を除く): 53602148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 163, 202, 220, 242, 326, 404, 484, 505, 605, 652, 815, 1010, 1111, 1210, 1630, 1793, 2020, 2222, 2420, 3260, 3586, 4444, 5555, 7172, 8965, 11110, 12221, 16463, 17930, 19723, 22220, 24442, 32926, 35860, 39446, 48884, 61105, 65852, 78892, 82315, 98615, 122210, 164630, 181093, 197230, 244420, 329260, 362186, 394460, 724372, 905465, 1810930, 1992023, 3621860, 3984046, 7968092, 9960115, 19920230, 39840460]

約数ペア:

[(1, 39840460), (2, 19920230), (4, 9960115), (5, 7968092), (10, 3984046), (11, 3621860), (20, 1992023), (22, 1810930), (44, 905465), (55, 724372), (101, 394460), (110, 362186), (121, 329260), (163, 244420), (202, 197230), (220, 181093), (242, 164630), (326, 122210), (404, 98615), (484, 82315), (505, 78892), (605, 65852), (652, 61105), (815, 48884), (1010, 39446), (1111, 35860), (1210, 32926), (1630, 24442), (1793, 22220), (2020, 19723), (2222, 17930), (2420, 16463), (3260, 12221), (3586, 11110), (4444, 8965), (5555, 7172)]