67368760

素因数分解:

$2^3\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1621}}^1$

素因数の和:2671

約数の個数: 32

約数和(自身を含む): 151819200

約数和(自身を除く): 84450440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1039, 1621, 2078, 3242, 4156, 5195, 6484, 8105, 8312, 10390, 12968, 16210, 20780, 32420, 41560, 64840, 1684219, 3368438, 6736876, 8421095, 13473752, 16842190, 33684380, 67368760]

約数ペア:

[(1, 67368760), (2, 33684380), (4, 16842190), (5, 13473752), (8, 8421095), (10, 6736876), (20, 3368438), (40, 1684219), (1039, 64840), (1621, 41560), (2078, 32420), (3242, 20780), (4156, 16210), (5195, 12968), (6484, 10390), (8105, 8312)]