67251860

素因数分解:

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

素因数の和:333

約数の個数: 72

約数和(自身を含む): 155226456

約数和(自身を除く): 87974596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 169, 197, 202, 260, 338, 394, 404, 505, 676, 788, 845, 985, 1010, 1313, 1690, 1970, 2020, 2561, 2626, 3380, 3940, 5122, 5252, 6565, 10244, 12805, 13130, 17069, 19897, 25610, 26260, 33293, 34138, 39794, 51220, 66586, 68276, 79588, 85345, 99485, 133172, 166465, 170690, 198970, 258661, 332930, 341380, 397940, 517322, 665860, 1034644, 1293305, 2586610, 3362593, 5173220, 6725186, 13450372, 16812965, 33625930, 67251860]

約数ペア:

[(1, 67251860), (2, 33625930), (4, 16812965), (5, 13450372), (10, 6725186), (13, 5173220), (20, 3362593), (26, 2586610), (52, 1293305), (65, 1034644), (101, 665860), (130, 517322), (169, 397940), (197, 341380), (202, 332930), (260, 258661), (338, 198970), (394, 170690), (404, 166465), (505, 133172), (676, 99485), (788, 85345), (845, 79588), (985, 68276), (1010, 66586), (1313, 51220), (1690, 39794), (1970, 34138), (2020, 33293), (2561, 26260), (2626, 25610), (3380, 19897), (3940, 17069), (5122, 13130), (5252, 12805), (6565, 10244)]