5173220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 11875248

約数和(自身を除く): 6702028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 197, 202, 260, 394, 404, 505, 788, 985, 1010, 1313, 1970, 2020, 2561, 2626, 3940, 5122, 5252, 6565, 10244, 12805, 13130, 19897, 25610, 26260, 39794, 51220, 79588, 99485, 198970, 258661, 397940, 517322, 1034644, 1293305, 2586610, 5173220]

約数ペア:

[(1, 5173220), (2, 2586610), (4, 1293305), (5, 1034644), (10, 517322), (13, 397940), (20, 258661), (26, 198970), (52, 99485), (65, 79588), (101, 51220), (130, 39794), (197, 26260), (202, 25610), (260, 19897), (394, 13130), (404, 12805), (505, 10244), (788, 6565), (985, 5252), (1010, 5122), (1313, 3940), (1970, 2626), (2020, 2561)]