16355980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 35562240

約数和(自身を除く): 19206260

約数列:

[1, 2, 4, 5, 10, 20, 59, 83, 118, 166, 167, 236, 295, 332, 334, 415, 590, 668, 830, 835, 1180, 1660, 1670, 3340, 4897, 9794, 9853, 13861, 19588, 19706, 24485, 27722, 39412, 48970, 49265, 55444, 69305, 97940, 98530, 138610, 197060, 277220, 817799, 1635598, 3271196, 4088995, 8177990, 16355980]

約数ペア:

[(1, 16355980), (2, 8177990), (4, 4088995), (5, 3271196), (10, 1635598), (20, 817799), (59, 277220), (83, 197060), (118, 138610), (166, 98530), (167, 97940), (236, 69305), (295, 55444), (332, 49265), (334, 48970), (415, 39412), (590, 27722), (668, 24485), (830, 19706), (835, 19588), (1180, 13861), (1660, 9853), (1670, 9794), (3340, 4897)]