13021550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 36

約数和(自身を含む): 25118928

約数和(自身を除く): 12097378

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 271, 310, 542, 775, 961, 1355, 1550, 1922, 2710, 4805, 6775, 8401, 9610, 13550, 16802, 24025, 42005, 48050, 84010, 210025, 260431, 420050, 520862, 1302155, 2604310, 6510775, 13021550]

約数ペア:

[(1, 13021550), (2, 6510775), (5, 2604310), (10, 1302155), (25, 520862), (31, 420050), (50, 260431), (62, 210025), (155, 84010), (271, 48050), (310, 42005), (542, 24025), (775, 16802), (961, 13550), (1355, 9610), (1550, 8401), (1922, 6775), (2710, 4805)]