13287760

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1019}}^1$

素因数の和:1195

約数の個数: 40

約数和(自身を含む): 31114080

約数和(自身を除く): 17826320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1019, 1304, 1630, 2038, 2608, 3260, 4076, 5095, 6520, 8152, 10190, 13040, 16304, 20380, 40760, 81520, 166097, 332194, 664388, 830485, 1328776, 1660970, 2657552, 3321940, 6643880, 13287760]

約数ペア:

[(1, 13287760), (2, 6643880), (4, 3321940), (5, 2657552), (8, 1660970), (10, 1328776), (16, 830485), (20, 664388), (40, 332194), (80, 166097), (163, 81520), (326, 40760), (652, 20380), (815, 16304), (1019, 13040), (1304, 10190), (1630, 8152), (2038, 6520), (2608, 5095), (3260, 4076)]