13269980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 29998080

約数和(自身を除く): 16728100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 743, 893, 940, 1486, 1786, 2972, 3572, 3715, 4465, 7430, 8930, 14117, 14860, 17860, 28234, 34921, 56468, 69842, 70585, 139684, 141170, 174605, 282340, 349210, 663499, 698420, 1326998, 2653996, 3317495, 6634990, 13269980]

約数ペア:

[(1, 13269980), (2, 6634990), (4, 3317495), (5, 2653996), (10, 1326998), (19, 698420), (20, 663499), (38, 349210), (47, 282340), (76, 174605), (94, 141170), (95, 139684), (188, 70585), (190, 69842), (235, 56468), (380, 34921), (470, 28234), (743, 17860), (893, 14860), (940, 14117), (1486, 8930), (1786, 7430), (2972, 4465), (3572, 3715)]