8404180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 18634896

約数和(自身を除く): 10230716

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 277, 370, 410, 554, 740, 820, 1108, 1385, 1517, 2770, 3034, 5540, 6068, 7585, 10249, 11357, 15170, 20498, 22714, 30340, 40996, 45428, 51245, 56785, 102490, 113570, 204980, 227140, 420209, 840418, 1680836, 2101045, 4202090, 8404180]

約数ペア:

[(1, 8404180), (2, 4202090), (4, 2101045), (5, 1680836), (10, 840418), (20, 420209), (37, 227140), (41, 204980), (74, 113570), (82, 102490), (148, 56785), (164, 51245), (185, 45428), (205, 40996), (277, 30340), (370, 22714), (410, 20498), (554, 15170), (740, 11357), (820, 10249), (1108, 7585), (1385, 6068), (1517, 5540), (2770, 3034)]